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Finding the Fourth Proportional to 452,459.52, 677,655.66 and 215,968.28

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Solution

The fourth proportional to 452,459.52, 677,655.66 and 215,968.28 is: 323,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,459.52 : 677,655.66 = 215,968.28 : x
  2. Step 2: Convert to fraction form
    452,459.52/677,655.66 = 215,968.28/x
  3. Step 3: Cross multiply
    452,459.52x = 677,655.66 × 215,968.28
  4. Step 4: Simplify right side
    452,459.52x = 146,352,123,934.19
  5. Step 5: Solve for x
    x = 146,352,123,934.19/452,459.52
  6. Step 6: Final answer
    x = 323,459.04

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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.