Home / 918,144.54-1,377,296.17-253,296.54

Finding the Fourth Proportional to 918,144.54, 1,377,296.17 and 253,296.54

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Solution

The fourth proportional to 918,144.54, 1,377,296.17 and 253,296.54 is: 379,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,144.54 : 1,377,296.17 = 253,296.54 : x
  2. Step 2: Convert to fraction form
    918,144.54/1,377,296.17 = 253,296.54/x
  3. Step 3: Cross multiply
    918,144.54x = 1,377,296.17 × 253,296.54
  4. Step 4: Simplify right side
    918,144.54x = 348,864,354,416.25
  5. Step 5: Solve for x
    x = 348,864,354,416.25/918,144.54
  6. Step 6: Final answer
    x = 379,966.70

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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.