Home / 721,642.66-1,082,574.70-523,459.45

Finding the Fourth Proportional to 721,642.66, 1,082,574.70 and 523,459.45

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Solution

The fourth proportional to 721,642.66, 1,082,574.70 and 523,459.45 is: 785,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,642.66 : 1,082,574.70 = 523,459.45 : x
  2. Step 2: Convert to fraction form
    721,642.66/1,082,574.70 = 523,459.45/x
  3. Step 3: Cross multiply
    721,642.66x = 1,082,574.70 × 523,459.45
  4. Step 4: Simplify right side
    721,642.66x = 566,683,957,045.92
  5. Step 5: Solve for x
    x = 566,683,957,045.92/721,642.66
  6. Step 6: Final answer
    x = 785,269.48

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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.