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Finding the Fourth Proportional to 531,705.42, 796,845.70 and 497,654.74

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Solution

The fourth proportional to 531,705.42, 796,845.70 and 497,654.74 is: 745,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,705.42 : 796,845.70 = 497,654.74 : x
  2. Step 2: Convert to fraction form
    531,705.42/796,845.70 = 497,654.74/x
  3. Step 3: Cross multiply
    531,705.42x = 796,845.70 × 497,654.74
  4. Step 4: Simplify right side
    531,705.42x = 396,554,035,669.39
  5. Step 5: Solve for x
    x = 396,554,035,669.39/531,705.42
  6. Step 6: Final answer
    x = 745,815.30

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1.5x scale

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.