Home / 746,131.76-1,119,088.64-366,950.72

Finding the Fourth Proportional to 746,131.76, 1,119,088.64 and 366,950.72

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Solution

The fourth proportional to 746,131.76, 1,119,088.64 and 366,950.72 is: 550,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,131.76 : 1,119,088.64 = 366,950.72 : x
  2. Step 2: Convert to fraction form
    746,131.76/1,119,088.64 = 366,950.72/x
  3. Step 3: Cross multiply
    746,131.76x = 1,119,088.64 × 366,950.72
  4. Step 4: Simplify right side
    746,131.76x = 410,650,382,191.82
  5. Step 5: Solve for x
    x = 410,650,382,191.82/746,131.76
  6. Step 6: Final answer
    x = 550,372.47

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.