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Finding the Fourth Proportional to 650,259.90, 974,007.45 and 426,311.10

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Solution

The fourth proportional to 650,259.90, 974,007.45 and 426,311.10 is: 638,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,259.90 : 974,007.45 = 426,311.10 : x
  2. Step 2: Convert to fraction form
    650,259.90/974,007.45 = 426,311.10/x
  3. Step 3: Cross multiply
    650,259.90x = 974,007.45 × 426,311.10
  4. Step 4: Simplify right side
    650,259.90x = 415,230,187,417.70
  5. Step 5: Solve for x
    x = 415,230,187,417.70/650,259.90
  6. Step 6: Final answer
    x = 638,560.35

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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.