Home / 729,189.10-1,006,338.24-402,567.03

Finding the Fourth Proportional to 729,189.10, 1,006,338.24 and 402,567.03

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Solution

The fourth proportional to 729,189.10, 1,006,338.24 and 402,567.03 is: 555,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,189.10 : 1,006,338.24 = 402,567.03 : x
  2. Step 2: Convert to fraction form
    729,189.10/1,006,338.24 = 402,567.03/x
  3. Step 3: Cross multiply
    729,189.10x = 1,006,338.24 × 402,567.03
  4. Step 4: Simplify right side
    729,189.10x = 405,118,596,452.23
  5. Step 5: Solve for x
    x = 405,118,596,452.23/729,189.10
  6. Step 6: Final answer
    x = 555,574.13

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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.