Home / 907,042.96-1,251,730.80-499,191.76

Finding the Fourth Proportional to 907,042.96, 1,251,730.80 and 499,191.76

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Solution

The fourth proportional to 907,042.96, 1,251,730.80 and 499,191.76 is: 688,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,042.96 : 1,251,730.80 = 499,191.76 : x
  2. Step 2: Convert to fraction form
    907,042.96/1,251,730.80 = 499,191.76/x
  3. Step 3: Cross multiply
    907,042.96x = 1,251,730.80 × 499,191.76
  4. Step 4: Simplify right side
    907,042.96x = 624,853,701,098.21
  5. Step 5: Solve for x
    x = 624,853,701,098.21/907,042.96
  6. Step 6: Final answer
    x = 688,890.97

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Double scale
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1.5x scale

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.