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Finding the Fourth Proportional to 650,310.80, 974,810.10 and 295,579.40

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Solution

The fourth proportional to 650,310.80, 974,810.10 and 295,579.40 is: 443,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,310.80 : 974,810.10 = 295,579.40 : x
  2. Step 2: Convert to fraction form
    650,310.80/974,810.10 = 295,579.40/x
  3. Step 3: Cross multiply
    650,310.80x = 974,810.10 × 295,579.40
  4. Step 4: Simplify right side
    650,310.80x = 288,133,784,471.94
  5. Step 5: Solve for x
    x = 288,133,784,471.94/650,310.80
  6. Step 6: Final answer
    x = 443,070.89

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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.