Home / 970,234.40-1,455,351.60-721,402.40

Finding the Fourth Proportional to 970,234.40, 1,455,351.60 and 721,402.40

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Solution

The fourth proportional to 970,234.40, 1,455,351.60 and 721,402.40 is: 1,082,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,234.40 : 1,455,351.60 = 721,402.40 : x
  2. Step 2: Convert to fraction form
    970,234.40/1,455,351.60 = 721,402.40/x
  3. Step 3: Cross multiply
    970,234.40x = 1,455,351.60 × 721,402.40
  4. Step 4: Simplify right side
    970,234.40x = 1,049,894,137,083.84
  5. Step 5: Solve for x
    x = 1,049,894,137,083.84/970,234.40
  6. Step 6: Final answer
    x = 1,082,103.60

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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.