Home / 527,966.02-728,402.18-346,776.18

Finding the Fourth Proportional to 527,966.02, 728,402.18 and 346,776.18

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Solution

The fourth proportional to 527,966.02, 728,402.18 and 346,776.18 is: 478,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,966.02 : 728,402.18 = 346,776.18 : x
  2. Step 2: Convert to fraction form
    527,966.02/728,402.18 = 346,776.18/x
  3. Step 3: Cross multiply
    527,966.02x = 728,402.18 × 346,776.18
  4. Step 4: Simplify right side
    527,966.02x = 252,592,525,484.07
  5. Step 5: Solve for x
    x = 252,592,525,484.07/527,966.02
  6. Step 6: Final answer
    x = 478,425.72

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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.