Home / 832,540.80-1,148,909.28-450,567.52

Finding the Fourth Proportional to 832,540.80, 1,148,909.28 and 450,567.52

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Solution

The fourth proportional to 832,540.80, 1,148,909.28 and 450,567.52 is: 621,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,540.80 : 1,148,909.28 = 450,567.52 : x
  2. Step 2: Convert to fraction form
    832,540.80/1,148,909.28 = 450,567.52/x
  3. Step 3: Cross multiply
    832,540.80x = 1,148,909.28 × 450,567.52
  4. Step 4: Simplify right side
    832,540.80x = 517,661,204,994.59
  5. Step 5: Solve for x
    x = 517,661,204,994.59/832,540.80
  6. Step 6: Final answer
    x = 621,784.79

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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.