Home / 914,290.61-1,371,526.13-315,172.89

Finding the Fourth Proportional to 914,290.61, 1,371,526.13 and 315,172.89

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Solution

The fourth proportional to 914,290.61, 1,371,526.13 and 315,172.89 is: 472,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,290.61 : 1,371,526.13 = 315,172.89 : x
  2. Step 2: Convert to fraction form
    914,290.61/1,371,526.13 = 315,172.89/x
  3. Step 3: Cross multiply
    914,290.61x = 1,371,526.13 × 315,172.89
  4. Step 4: Simplify right side
    914,290.61x = 432,267,854,890.55
  5. Step 5: Solve for x
    x = 432,267,854,890.55/914,290.61
  6. Step 6: Final answer
    x = 472,790.44

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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.