Home / 725,756.84-1,001,578.59-403,472.28

Finding the Fourth Proportional to 725,756.84, 1,001,578.59 and 403,472.28

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Solution

The fourth proportional to 725,756.84, 1,001,578.59 and 403,472.28 is: 556,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,756.84 : 1,001,578.59 = 403,472.28 : x
  2. Step 2: Convert to fraction form
    725,756.84/1,001,578.59 = 403,472.28/x
  3. Step 3: Cross multiply
    725,756.84x = 1,001,578.59 × 403,472.28
  4. Step 4: Simplify right side
    725,756.84x = 404,109,197,306.49
  5. Step 5: Solve for x
    x = 404,109,197,306.49/725,756.84
  6. Step 6: Final answer
    x = 556,810.74

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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.