Home / 906,989.72-1,360,681.40-275,887.13

Finding the Fourth Proportional to 906,989.72, 1,360,681.40 and 275,887.13

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Solution

The fourth proportional to 906,989.72, 1,360,681.40 and 275,887.13 is: 413,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,989.72 : 1,360,681.40 = 275,887.13 : x
  2. Step 2: Convert to fraction form
    906,989.72/1,360,681.40 = 275,887.13/x
  3. Step 3: Cross multiply
    906,989.72x = 1,360,681.40 × 275,887.13
  4. Step 4: Simplify right side
    906,989.72x = 375,394,484,910.95
  5. Step 5: Solve for x
    x = 375,394,484,910.95/906,989.72
  6. Step 6: Final answer
    x = 413,890.56

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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.