Home / 724,849.26-1,087,266.95-440,618.30

Finding the Fourth Proportional to 724,849.26, 1,087,266.95 and 440,618.30

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Solution

The fourth proportional to 724,849.26, 1,087,266.95 and 440,618.30 is: 660,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,849.26 : 1,087,266.95 = 440,618.30 : x
  2. Step 2: Convert to fraction form
    724,849.26/1,087,266.95 = 440,618.30/x
  3. Step 3: Cross multiply
    724,849.26x = 1,087,266.95 × 440,618.30
  4. Step 4: Simplify right side
    724,849.26x = 479,069,713,245.33
  5. Step 5: Solve for x
    x = 479,069,713,245.33/724,849.26
  6. Step 6: Final answer
    x = 660,923.23

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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.