Home / 687,276.95-945,078.98-596,475.20

Finding the Fourth Proportional to 687,276.95, 945,078.98 and 596,475.20

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Solution

The fourth proportional to 687,276.95, 945,078.98 and 596,475.20 is: 820,216.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,276.95 : 945,078.98 = 596,475.20 : x
  2. Step 2: Convert to fraction form
    687,276.95/945,078.98 = 596,475.20/x
  3. Step 3: Cross multiply
    687,276.95x = 945,078.98 × 596,475.20
  4. Step 4: Simplify right side
    687,276.95x = 563,716,172,991.62
  5. Step 5: Solve for x
    x = 563,716,172,991.62/687,276.95
  6. Step 6: Final answer
    x = 820,216.91

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1.5x scale

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.