Home / 738,583.43-1,020,085.88-496,445.62

Finding the Fourth Proportional to 738,583.43, 1,020,085.88 and 496,445.62

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Solution

The fourth proportional to 738,583.43, 1,020,085.88 and 496,445.62 is: 685,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,583.43 : 1,020,085.88 = 496,445.62 : x
  2. Step 2: Convert to fraction form
    738,583.43/1,020,085.88 = 496,445.62/x
  3. Step 3: Cross multiply
    738,583.43x = 1,020,085.88 × 496,445.62
  4. Step 4: Simplify right side
    738,583.43x = 506,417,167,149.85
  5. Step 5: Solve for x
    x = 506,417,167,149.85/738,583.43
  6. Step 6: Final answer
    x = 685,660.07

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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.