Home / 718,425.60-1,076,947.20-558,412.80

Finding the Fourth Proportional to 718,425.60, 1,076,947.20 and 558,412.80

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Solution

The fourth proportional to 718,425.60, 1,076,947.20 and 558,412.80 is: 837,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,425.60 : 1,076,947.20 = 558,412.80 : x
  2. Step 2: Convert to fraction form
    718,425.60/1,076,947.20 = 558,412.80/x
  3. Step 3: Cross multiply
    718,425.60x = 1,076,947.20 × 558,412.80
  4. Step 4: Simplify right side
    718,425.60x = 601,381,101,404.16
  5. Step 5: Solve for x
    x = 601,381,101,404.16/718,425.60
  6. Step 6: Final answer
    x = 837,081.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.