Home / 708,077.24-977,134.29-385,789.69

Finding the Fourth Proportional to 708,077.24, 977,134.29 and 385,789.69

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Solution

The fourth proportional to 708,077.24, 977,134.29 and 385,789.69 is: 532,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,077.24 : 977,134.29 = 385,789.69 : x
  2. Step 2: Convert to fraction form
    708,077.24/977,134.29 = 385,789.69/x
  3. Step 3: Cross multiply
    708,077.24x = 977,134.29 × 385,789.69
  4. Step 4: Simplify right side
    708,077.24x = 376,968,329,105.80
  5. Step 5: Solve for x
    x = 376,968,329,105.80/708,077.24
  6. Step 6: Final answer
    x = 532,383.06

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1.5x scale

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.