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Finding the Fourth Proportional to 480,007.70, 720,011.55 and 473,009.30

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Solution

The fourth proportional to 480,007.70, 720,011.55 and 473,009.30 is: 709,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,007.70 : 720,011.55 = 473,009.30 : x
  2. Step 2: Convert to fraction form
    480,007.70/720,011.55 = 473,009.30/x
  3. Step 3: Cross multiply
    480,007.70x = 720,011.55 × 473,009.30
  4. Step 4: Simplify right side
    480,007.70x = 340,572,159,257.42
  5. Step 5: Solve for x
    x = 340,572,159,257.42/480,007.70
  6. Step 6: Final answer
    x = 709,513.95

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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.