Home / 1,503,000.30-2,254,500.45-438,077.10

Finding the Fourth Proportional to 1,503,000.30, 2,254,500.45 and 438,077.10

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Solution

The fourth proportional to 1,503,000.30, 2,254,500.45 and 438,077.10 is: 657,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,000.30 : 2,254,500.45 = 438,077.10 : x
  2. Step 2: Convert to fraction form
    1,503,000.30/2,254,500.45 = 438,077.10/x
  3. Step 3: Cross multiply
    1,503,000.30x = 2,254,500.45 × 438,077.10
  4. Step 4: Simplify right side
    1,503,000.30x = 987,645,019,084.70
  5. Step 5: Solve for x
    x = 987,645,019,084.70/1,503,000.30
  6. Step 6: Final answer
    x = 657,115.65

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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.