Home / 917,337.68-1,265,957.46-509,445.96

Finding the Fourth Proportional to 917,337.68, 1,265,957.46 and 509,445.96

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Solution

The fourth proportional to 917,337.68, 1,265,957.46 and 509,445.96 is: 703,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,337.68 : 1,265,957.46 = 509,445.96 : x
  2. Step 2: Convert to fraction form
    917,337.68/1,265,957.46 = 509,445.96/x
  3. Step 3: Cross multiply
    917,337.68x = 1,265,957.46 × 509,445.96
  4. Step 4: Simplify right side
    917,337.68x = 644,936,913,528.86
  5. Step 5: Solve for x
    x = 644,936,913,528.86/917,337.68
  6. Step 6: Final answer
    x = 703,052.90

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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.