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Finding the Fourth Proportional to 527,695.80, 728,184.24 and 336,688.08

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Solution

The fourth proportional to 527,695.80, 728,184.24 and 336,688.08 is: 464,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,695.80 : 728,184.24 = 336,688.08 : x
  2. Step 2: Convert to fraction form
    527,695.80/728,184.24 = 336,688.08/x
  3. Step 3: Cross multiply
    527,695.80x = 728,184.24 × 336,688.08
  4. Step 4: Simplify right side
    527,695.80x = 245,170,953,651.86
  5. Step 5: Solve for x
    x = 245,170,953,651.86/527,695.80
  6. Step 6: Final answer
    x = 464,606.60

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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.