Home / 724,662.49-1,000,422.48-558,728.04

Finding the Fourth Proportional to 724,662.49, 1,000,422.48 and 558,728.04

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Solution

The fourth proportional to 724,662.49, 1,000,422.48 and 558,728.04 is: 771,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,662.49 : 1,000,422.48 = 558,728.04 : x
  2. Step 2: Convert to fraction form
    724,662.49/1,000,422.48 = 558,728.04/x
  3. Step 3: Cross multiply
    724,662.49x = 1,000,422.48 × 558,728.04
  4. Step 4: Simplify right side
    724,662.49x = 558,964,093,931.66
  5. Step 5: Solve for x
    x = 558,964,093,931.66/724,662.49
  6. Step 6: Final answer
    x = 771,344.04

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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.