Home / 975,381.60-1,345,996.21-539,772.74

Finding the Fourth Proportional to 975,381.60, 1,345,996.21 and 539,772.74

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Solution

The fourth proportional to 975,381.60, 1,345,996.21 and 539,772.74 is: 744,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,381.60 : 1,345,996.21 = 539,772.74 : x
  2. Step 2: Convert to fraction form
    975,381.60/1,345,996.21 = 539,772.74/x
  3. Step 3: Cross multiply
    975,381.60x = 1,345,996.21 × 539,772.74
  4. Step 4: Simplify right side
    975,381.60x = 726,532,062,049.37
  5. Step 5: Solve for x
    x = 726,532,062,049.37/975,381.60
  6. Step 6: Final answer
    x = 744,869.56

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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.