Home / 996,947.60-1,495,421.40-398,001.20

Finding the Fourth Proportional to 996,947.60, 1,495,421.40 and 398,001.20

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Solution

The fourth proportional to 996,947.60, 1,495,421.40 and 398,001.20 is: 597,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,947.60 : 1,495,421.40 = 398,001.20 : x
  2. Step 2: Convert to fraction form
    996,947.60/1,495,421.40 = 398,001.20/x
  3. Step 3: Cross multiply
    996,947.60x = 1,495,421.40 × 398,001.20
  4. Step 4: Simplify right side
    996,947.60x = 595,179,511,705.68
  5. Step 5: Solve for x
    x = 595,179,511,705.68/996,947.60
  6. Step 6: Final answer
    x = 597,001.80

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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.