Home / 971,437.40-1,340,584.98-535,845.02

Finding the Fourth Proportional to 971,437.40, 1,340,584.98 and 535,845.02

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Solution

The fourth proportional to 971,437.40, 1,340,584.98 and 535,845.02 is: 739,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,437.40 : 1,340,584.98 = 535,845.02 : x
  2. Step 2: Convert to fraction form
    971,437.40/1,340,584.98 = 535,845.02/x
  3. Step 3: Cross multiply
    971,437.40x = 1,340,584.98 × 535,845.02
  4. Step 4: Simplify right side
    971,437.40x = 718,345,785,419.80
  5. Step 5: Solve for x
    x = 718,345,785,419.80/971,437.40
  6. Step 6: Final answer
    x = 739,466.88

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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.