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Finding the Fourth Proportional to 540,702.60, 746,158.68 and 298,995.36

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Solution

The fourth proportional to 540,702.60, 746,158.68 and 298,995.36 is: 412,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,702.60 : 746,158.68 = 298,995.36 : x
  2. Step 2: Convert to fraction form
    540,702.60/746,158.68 = 298,995.36/x
  3. Step 3: Cross multiply
    540,702.60x = 746,158.68 × 298,995.36
  4. Step 4: Simplify right side
    540,702.60x = 223,097,983,143.73
  5. Step 5: Solve for x
    x = 223,097,983,143.73/540,702.60
  6. Step 6: Final answer
    x = 412,607.56

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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.