Home / 724,852.80-1,087,279.20-538,228.80

Finding the Fourth Proportional to 724,852.80, 1,087,279.20 and 538,228.80

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Solution

The fourth proportional to 724,852.80, 1,087,279.20 and 538,228.80 is: 807,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,852.80 : 1,087,279.20 = 538,228.80 : x
  2. Step 2: Convert to fraction form
    724,852.80/1,087,279.20 = 538,228.80/x
  3. Step 3: Cross multiply
    724,852.80x = 1,087,279.20 × 538,228.80
  4. Step 4: Simplify right side
    724,852.80x = 585,204,979,080.96
  5. Step 5: Solve for x
    x = 585,204,979,080.96/724,852.80
  6. Step 6: Final answer
    x = 807,343.20

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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.