Home / 803,521.38-1,108,686.29-463,792.80

Finding the Fourth Proportional to 803,521.38, 1,108,686.29 and 463,792.80

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Solution

The fourth proportional to 803,521.38, 1,108,686.29 and 463,792.80 is: 639,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,521.38 : 1,108,686.29 = 463,792.80 : x
  2. Step 2: Convert to fraction form
    803,521.38/1,108,686.29 = 463,792.80/x
  3. Step 3: Cross multiply
    803,521.38x = 1,108,686.29 × 463,792.80
  4. Step 4: Simplify right side
    803,521.38x = 514,200,718,760.71
  5. Step 5: Solve for x
    x = 514,200,718,760.71/803,521.38
  6. Step 6: Final answer
    x = 639,934.08

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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.