Home / 917,867.52-1,266,747.12-530,699.40

Finding the Fourth Proportional to 917,867.52, 1,266,747.12 and 530,699.40

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Solution

The fourth proportional to 917,867.52, 1,266,747.12 and 530,699.40 is: 732,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,867.52 : 1,266,747.12 = 530,699.40 : x
  2. Step 2: Convert to fraction form
    917,867.52/1,266,747.12 = 530,699.40/x
  3. Step 3: Cross multiply
    917,867.52x = 1,266,747.12 × 530,699.40
  4. Step 4: Simplify right side
    917,867.52x = 672,261,936,535.73
  5. Step 5: Solve for x
    x = 672,261,936,535.73/917,867.52
  6. Step 6: Final answer
    x = 732,417.18

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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.