Home / 996,947.10-1,495,420.65-398,000.70

Finding the Fourth Proportional to 996,947.10, 1,495,420.65 and 398,000.70

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Solution

The fourth proportional to 996,947.10, 1,495,420.65 and 398,000.70 is: 597,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,947.10 : 1,495,420.65 = 398,000.70 : x
  2. Step 2: Convert to fraction form
    996,947.10/1,495,420.65 = 398,000.70/x
  3. Step 3: Cross multiply
    996,947.10x = 1,495,420.65 × 398,000.70
  4. Step 4: Simplify right side
    996,947.10x = 595,178,465,494.46
  5. Step 5: Solve for x
    x = 595,178,465,494.46/996,947.10
  6. Step 6: Final answer
    x = 597,001.05

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Double scale
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Similar ratio
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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.