Home / 746,177.70-1,029,695.09-406,638.66

Finding the Fourth Proportional to 746,177.70, 1,029,695.09 and 406,638.66

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Solution

The fourth proportional to 746,177.70, 1,029,695.09 and 406,638.66 is: 561,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,177.70 : 1,029,695.09 = 406,638.66 : x
  2. Step 2: Convert to fraction form
    746,177.70/1,029,695.09 = 406,638.66/x
  3. Step 3: Cross multiply
    746,177.70x = 1,029,695.09 × 406,638.66
  4. Step 4: Simplify right side
    746,177.70x = 418,713,831,606.18
  5. Step 5: Solve for x
    x = 418,713,831,606.18/746,177.70
  6. Step 6: Final answer
    x = 561,144.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.