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Finding the Fourth Proportional to 566,466.08, 781,789.93 and 318,148.90

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Solution

The fourth proportional to 566,466.08, 781,789.93 and 318,148.90 is: 439,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,466.08 : 781,789.93 = 318,148.90 : x
  2. Step 2: Convert to fraction form
    566,466.08/781,789.93 = 318,148.90/x
  3. Step 3: Cross multiply
    566,466.08x = 781,789.93 × 318,148.90
  4. Step 4: Simplify right side
    566,466.08x = 248,725,603,510.73
  5. Step 5: Solve for x
    x = 248,725,603,510.73/566,466.08
  6. Step 6: Final answer
    x = 439,082.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.