Home / 712,549.20-1,069,601.40-397,621.20

Finding the Fourth Proportional to 712,549.20, 1,069,601.40 and 397,621.20

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Solution

The fourth proportional to 712,549.20, 1,069,601.40 and 397,621.20 is: 596,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,549.20 : 1,069,601.40 = 397,621.20 : x
  2. Step 2: Convert to fraction form
    712,549.20/1,069,601.40 = 397,621.20/x
  3. Step 3: Cross multiply
    712,549.20x = 1,069,601.40 × 397,621.20
  4. Step 4: Simplify right side
    712,549.20x = 425,296,192,189.68
  5. Step 5: Solve for x
    x = 425,296,192,189.68/712,549.20
  6. Step 6: Final answer
    x = 596,865.72

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1.5x scale

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.