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Finding the Fourth Proportional to 650,423.20, 975,926.40 and 295,254.40

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Solution

The fourth proportional to 650,423.20, 975,926.40 and 295,254.40 is: 443,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,423.20 : 975,926.40 = 295,254.40 : x
  2. Step 2: Convert to fraction form
    650,423.20/975,926.40 = 295,254.40/x
  3. Step 3: Cross multiply
    650,423.20x = 975,926.40 × 295,254.40
  4. Step 4: Simplify right side
    650,423.20x = 288,146,563,676.16
  5. Step 5: Solve for x
    x = 288,146,563,676.16/650,423.20
  6. Step 6: Final answer
    x = 443,013.97

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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.