Home / 708,122.28-977,196.42-385,835.02

Finding the Fourth Proportional to 708,122.28, 977,196.42 and 385,835.02

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Solution

The fourth proportional to 708,122.28, 977,196.42 and 385,835.02 is: 532,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,122.28 : 977,196.42 = 385,835.02 : x
  2. Step 2: Convert to fraction form
    708,122.28/977,196.42 = 385,835.02/x
  3. Step 3: Cross multiply
    708,122.28x = 977,196.42 × 385,835.02
  4. Step 4: Simplify right side
    708,122.28x = 377,036,600,254.63
  5. Step 5: Solve for x
    x = 377,036,600,254.63/708,122.28
  6. Step 6: Final answer
    x = 532,445.61

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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.