Home / 907,641.39-1,252,534.83-499,734.90

Finding the Fourth Proportional to 907,641.39, 1,252,534.83 and 499,734.90

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Solution

The fourth proportional to 907,641.39, 1,252,534.83 and 499,734.90 is: 689,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,641.39 : 1,252,534.83 = 499,734.90 : x
  2. Step 2: Convert to fraction form
    907,641.39/1,252,534.83 = 499,734.90/x
  3. Step 3: Cross multiply
    907,641.39x = 1,252,534.83 × 499,734.90
  4. Step 4: Simplify right side
    907,641.39x = 625,935,368,016.57
  5. Step 5: Solve for x
    x = 625,935,368,016.57/907,641.39
  6. Step 6: Final answer
    x = 689,628.50

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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.