Home / 996,980.60-1,495,470.90-398,034.20

Finding the Fourth Proportional to 996,980.60, 1,495,470.90 and 398,034.20

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Solution

The fourth proportional to 996,980.60, 1,495,470.90 and 398,034.20 is: 597,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,980.60 : 1,495,470.90 = 398,034.20 : x
  2. Step 2: Convert to fraction form
    996,980.60/1,495,470.90 = 398,034.20/x
  3. Step 3: Cross multiply
    996,980.60x = 1,495,470.90 × 398,034.20
  4. Step 4: Simplify right side
    996,980.60x = 595,248,563,304.78
  5. Step 5: Solve for x
    x = 595,248,563,304.78/996,980.60
  6. Step 6: Final answer
    x = 597,051.30

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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.