Home / 918,199.13-1,377,378.07-253,351.13

Finding the Fourth Proportional to 918,199.13, 1,377,378.07 and 253,351.13

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Solution

The fourth proportional to 918,199.13, 1,377,378.07 and 253,351.13 is: 380,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,199.13 : 1,377,378.07 = 253,351.13 : x
  2. Step 2: Convert to fraction form
    918,199.13/1,377,378.07 = 253,351.13/x
  3. Step 3: Cross multiply
    918,199.13x = 1,377,378.07 × 253,351.13
  4. Step 4: Simplify right side
    918,199.13x = 348,960,282,951.45
  5. Step 5: Solve for x
    x = 348,960,282,951.45/918,199.13
  6. Step 6: Final answer
    x = 380,048.59

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Double scale
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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.