Home / 718,423.60-1,076,944.20-558,410.80

Finding the Fourth Proportional to 718,423.60, 1,076,944.20 and 558,410.80

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Solution

The fourth proportional to 718,423.60, 1,076,944.20 and 558,410.80 is: 837,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,423.60 : 1,076,944.20 = 558,410.80 : x
  2. Step 2: Convert to fraction form
    718,423.60/1,076,944.20 = 558,410.80/x
  3. Step 3: Cross multiply
    718,423.60x = 1,076,944.20 × 558,410.80
  4. Step 4: Simplify right side
    718,423.60x = 601,377,272,277.36
  5. Step 5: Solve for x
    x = 601,377,272,277.36/718,423.60
  6. Step 6: Final answer
    x = 837,078.95

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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.