Home / 918,252.36-1,377,457.74-253,404.36

Finding the Fourth Proportional to 918,252.36, 1,377,457.74 and 253,404.36

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Solution

The fourth proportional to 918,252.36, 1,377,457.74 and 253,404.36 is: 380,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,252.36 : 1,377,457.74 = 253,404.36 : x
  2. Step 2: Convert to fraction form
    918,252.36/1,377,457.74 = 253,404.36/x
  3. Step 3: Cross multiply
    918,252.36x = 1,377,457.74 × 253,404.36
  4. Step 4: Simplify right side
    918,252.36x = 349,053,797,031.75
  5. Step 5: Solve for x
    x = 349,053,797,031.75/918,252.36
  6. Step 6: Final answer
    x = 380,128.40

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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.