Home / 1,543,443.60-2,315,165.40-478,593.30

Finding the Fourth Proportional to 1,543,443.60, 2,315,165.40 and 478,593.30

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Solution

The fourth proportional to 1,543,443.60, 2,315,165.40 and 478,593.30 is: 717,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,443.60 : 2,315,165.40 = 478,593.30 : x
  2. Step 2: Convert to fraction form
    1,543,443.60/2,315,165.40 = 478,593.30/x
  3. Step 3: Cross multiply
    1,543,443.60x = 2,315,165.40 × 478,593.30
  4. Step 4: Simplify right side
    1,543,443.60x = 1,108,022,648,831.82
  5. Step 5: Solve for x
    x = 1,108,022,648,831.82/1,543,443.60
  6. Step 6: Final answer
    x = 717,889.95

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Double scale
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Similar ratio
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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.