Home / 725,087.80-1,087,631.70-556,931.80

Finding the Fourth Proportional to 725,087.80, 1,087,631.70 and 556,931.80

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Solution

The fourth proportional to 725,087.80, 1,087,631.70 and 556,931.80 is: 835,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,087.80 : 1,087,631.70 = 556,931.80 : x
  2. Step 2: Convert to fraction form
    725,087.80/1,087,631.70 = 556,931.80/x
  3. Step 3: Cross multiply
    725,087.80x = 1,087,631.70 × 556,931.80
  4. Step 4: Simplify right side
    725,087.80x = 605,736,680,418.06
  5. Step 5: Solve for x
    x = 605,736,680,418.06/725,087.80
  6. Step 6: Final answer
    x = 835,397.70

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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.