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Finding the Fourth Proportional to 475,228.44, 711,070.92 and 469,913.76

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Solution

The fourth proportional to 475,228.44, 711,070.92 and 469,913.76 is: 703,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,228.44 : 711,070.92 = 469,913.76 : x
  2. Step 2: Convert to fraction form
    475,228.44/711,070.92 = 469,913.76/x
  3. Step 3: Cross multiply
    475,228.44x = 711,070.92 × 469,913.76
  4. Step 4: Simplify right side
    475,228.44x = 334,142,009,643.86
  5. Step 5: Solve for x
    x = 334,142,009,643.86/475,228.44
  6. Step 6: Final answer
    x = 703,118.71

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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.