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Finding the Fourth Proportional to 653,750.18, 980,689.02 and 254,423.42

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Solution

The fourth proportional to 653,750.18, 980,689.02 and 254,423.42 is: 381,659.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,750.18 : 980,689.02 = 254,423.42 : x
  2. Step 2: Convert to fraction form
    653,750.18/980,689.02 = 254,423.42/x
  3. Step 3: Cross multiply
    653,750.18x = 980,689.02 × 254,423.42
  4. Step 4: Simplify right side
    653,750.18x = 249,510,254,424.85
  5. Step 5: Solve for x
    x = 249,510,254,424.85/653,750.18
  6. Step 6: Final answer
    x = 381,659.94

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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.