Home / 725,306.29-1,000,904.49-403,017.22

Finding the Fourth Proportional to 725,306.29, 1,000,904.49 and 403,017.22

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Solution

The fourth proportional to 725,306.29, 1,000,904.49 and 403,017.22 is: 556,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,306.29 : 1,000,904.49 = 403,017.22 : x
  2. Step 2: Convert to fraction form
    725,306.29/1,000,904.49 = 403,017.22/x
  3. Step 3: Cross multiply
    725,306.29x = 1,000,904.49 × 403,017.22
  4. Step 4: Simplify right side
    725,306.29x = 403,381,745,045.32
  5. Step 5: Solve for x
    x = 403,381,745,045.32/725,306.29
  6. Step 6: Final answer
    x = 556,153.66

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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.