Home / 996,689.40-1,495,034.10-365,521.20

Finding the Fourth Proportional to 996,689.40, 1,495,034.10 and 365,521.20

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Solution

The fourth proportional to 996,689.40, 1,495,034.10 and 365,521.20 is: 548,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,689.40 : 1,495,034.10 = 365,521.20 : x
  2. Step 2: Convert to fraction form
    996,689.40/1,495,034.10 = 365,521.20/x
  3. Step 3: Cross multiply
    996,689.40x = 1,495,034.10 × 365,521.20
  4. Step 4: Simplify right side
    996,689.40x = 546,466,658,272.92
  5. Step 5: Solve for x
    x = 546,466,658,272.92/996,689.40
  6. Step 6: Final answer
    x = 548,281.80

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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.