Home / 708,381.93-977,567.81-386,092.29

Finding the Fourth Proportional to 708,381.93, 977,567.81 and 386,092.29

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Solution

The fourth proportional to 708,381.93, 977,567.81 and 386,092.29 is: 532,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,381.93 : 977,567.81 = 386,092.29 : x
  2. Step 2: Convert to fraction form
    708,381.93/977,567.81 = 386,092.29/x
  3. Step 3: Cross multiply
    708,381.93x = 977,567.81 × 386,092.29
  4. Step 4: Simplify right side
    708,381.93x = 377,431,394,393.19
  5. Step 5: Solve for x
    x = 377,431,394,393.19/708,381.93
  6. Step 6: Final answer
    x = 532,807.77

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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.