Home / 918,200.13-1,377,379.57-253,352.13

Finding the Fourth Proportional to 918,200.13, 1,377,379.57 and 253,352.13

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Solution

The fourth proportional to 918,200.13, 1,377,379.57 and 253,352.13 is: 380,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,200.13 : 1,377,379.57 = 253,352.13 : x
  2. Step 2: Convert to fraction form
    918,200.13/1,377,379.57 = 253,352.13/x
  3. Step 3: Cross multiply
    918,200.13x = 1,377,379.57 × 253,352.13
  4. Step 4: Simplify right side
    918,200.13x = 348,962,047,877.98
  5. Step 5: Solve for x
    x = 348,962,047,877.98/918,200.13
  6. Step 6: Final answer
    x = 380,050.10

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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.