Home / 684,233.40-1,026,350.10-347,143.80

Finding the Fourth Proportional to 684,233.40, 1,026,350.10 and 347,143.80

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Solution

The fourth proportional to 684,233.40, 1,026,350.10 and 347,143.80 is: 520,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,233.40 : 1,026,350.10 = 347,143.80 : x
  2. Step 2: Convert to fraction form
    684,233.40/1,026,350.10 = 347,143.80/x
  3. Step 3: Cross multiply
    684,233.40x = 1,026,350.10 × 347,143.80
  4. Step 4: Simplify right side
    684,233.40x = 356,291,073,844.38
  5. Step 5: Solve for x
    x = 356,291,073,844.38/684,233.40
  6. Step 6: Final answer
    x = 520,715.70

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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.