Home / 803,116.61-1,108,290.46-458,948.62

Finding the Fourth Proportional to 803,116.61, 1,108,290.46 and 458,948.62

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Solution

The fourth proportional to 803,116.61, 1,108,290.46 and 458,948.62 is: 633,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,116.61 : 1,108,290.46 = 458,948.62 : x
  2. Step 2: Convert to fraction form
    803,116.61/1,108,290.46 = 458,948.62/x
  3. Step 3: Cross multiply
    803,116.61x = 1,108,290.46 × 458,948.62
  4. Step 4: Simplify right side
    803,116.61x = 508,648,377,176.17
  5. Step 5: Solve for x
    x = 508,648,377,176.17/803,116.61
  6. Step 6: Final answer
    x = 633,343.12

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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.