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Finding the Fourth Proportional to 480,022.80, 720,034.20 and 471,728.40

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Solution

The fourth proportional to 480,022.80, 720,034.20 and 471,728.40 is: 707,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,022.80 : 720,034.20 = 471,728.40 : x
  2. Step 2: Convert to fraction form
    480,022.80/720,034.20 = 471,728.40/x
  3. Step 3: Cross multiply
    480,022.80x = 720,034.20 × 471,728.40
  4. Step 4: Simplify right side
    480,022.80x = 339,660,581,111.28
  5. Step 5: Solve for x
    x = 339,660,581,111.28/480,022.80
  6. Step 6: Final answer
    x = 707,592.60

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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.