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Finding the Fourth Proportional to 452,539.04, 677,775.20 and 216,047.79

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Solution

The fourth proportional to 452,539.04, 677,775.20 and 216,047.79 is: 323,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,539.04 : 677,775.20 = 216,047.79 : x
  2. Step 2: Convert to fraction form
    452,539.04/677,775.20 = 216,047.79/x
  3. Step 3: Cross multiply
    452,539.04x = 677,775.20 × 216,047.79
  4. Step 4: Simplify right side
    452,539.04x = 146,431,832,996.57
  5. Step 5: Solve for x
    x = 146,431,832,996.57/452,539.04
  6. Step 6: Final answer
    x = 323,578.35

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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.