Home / 762,986.43-1,144,802.93-383,707.71

Finding the Fourth Proportional to 762,986.43, 1,144,802.93 and 383,707.71

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Solution

The fourth proportional to 762,986.43, 1,144,802.93 and 383,707.71 is: 575,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,986.43 : 1,144,802.93 = 383,707.71 : x
  2. Step 2: Convert to fraction form
    762,986.43/1,144,802.93 = 383,707.71/x
  3. Step 3: Cross multiply
    762,986.43x = 1,144,802.93 × 383,707.71
  4. Step 4: Simplify right side
    762,986.43x = 439,269,708,753.05
  5. Step 5: Solve for x
    x = 439,269,708,753.05/762,986.43
  6. Step 6: Final answer
    x = 575,724.14

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Double scale
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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.