Home / 746,590.76-1,030,382.72-424,349.29

Finding the Fourth Proportional to 746,590.76, 1,030,382.72 and 424,349.29

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Solution

The fourth proportional to 746,590.76, 1,030,382.72 and 424,349.29 is: 585,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,590.76 : 1,030,382.72 = 424,349.29 : x
  2. Step 2: Convert to fraction form
    746,590.76/1,030,382.72 = 424,349.29/x
  3. Step 3: Cross multiply
    746,590.76x = 1,030,382.72 × 424,349.29
  4. Step 4: Simplify right side
    746,590.76x = 437,242,178,463.55
  5. Step 5: Solve for x
    x = 437,242,178,463.55/746,590.76
  6. Step 6: Final answer
    x = 585,651.74

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.