Home / 708,132.38-977,222.79-385,842.51

Finding the Fourth Proportional to 708,132.38, 977,222.79 and 385,842.51

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Solution

The fourth proportional to 708,132.38, 977,222.79 and 385,842.51 is: 532,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,132.38 : 977,222.79 = 385,842.51 : x
  2. Step 2: Convert to fraction form
    708,132.38/977,222.79 = 385,842.51/x
  3. Step 3: Cross multiply
    708,132.38x = 977,222.79 × 385,842.51
  4. Step 4: Simplify right side
    708,132.38x = 377,054,094,122.80
  5. Step 5: Solve for x
    x = 377,054,094,122.80/708,132.38
  6. Step 6: Final answer
    x = 532,462.73

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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.