Home / 872,916.96-1,308,668.48-392,792.16

Finding the Fourth Proportional to 872,916.96, 1,308,668.48 and 392,792.16

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Solution

The fourth proportional to 872,916.96, 1,308,668.48 and 392,792.16 is: 588,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,916.96 : 1,308,668.48 = 392,792.16 : x
  2. Step 2: Convert to fraction form
    872,916.96/1,308,668.48 = 392,792.16/x
  3. Step 3: Cross multiply
    872,916.96x = 1,308,668.48 × 392,792.16
  4. Step 4: Simplify right side
    872,916.96x = 514,034,718,983.12
  5. Step 5: Solve for x
    x = 514,034,718,983.12/872,916.96
  6. Step 6: Final answer
    x = 588,870.12

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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.