Home / 708,379.93-977,565.05-386,090.29

Finding the Fourth Proportional to 708,379.93, 977,565.05 and 386,090.29

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Solution

The fourth proportional to 708,379.93, 977,565.05 and 386,090.29 is: 532,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,379.93 : 977,565.05 = 386,090.29 : x
  2. Step 2: Convert to fraction form
    708,379.93/977,565.05 = 386,090.29/x
  3. Step 3: Cross multiply
    708,379.93x = 977,565.05 × 386,090.29
  4. Step 4: Simplify right side
    708,379.93x = 377,428,373,648.37
  5. Step 5: Solve for x
    x = 377,428,373,648.37/708,379.93
  6. Step 6: Final answer
    x = 532,805.01

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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.