Home / 485,082.80-664,566.64-466,901.40

Finding the Fourth Proportional to 485,082.80, 664,566.64 and 466,901.40

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Solution

The fourth proportional to 485,082.80, 664,566.64 and 466,901.40 is: 639,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,082.80 : 664,566.64 = 466,901.40 : x
  2. Step 2: Convert to fraction form
    485,082.80/664,566.64 = 466,901.40/x
  3. Step 3: Cross multiply
    485,082.80x = 664,566.64 × 466,901.40
  4. Step 4: Simplify right side
    485,082.80x = 310,287,094,609.30
  5. Step 5: Solve for x
    x = 310,287,094,609.30/485,082.80
  6. Step 6: Final answer
    x = 639,658.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.