Home / 526,488.56-789,548-147,307.36

Finding the Fourth Proportional to 526,488.56, 789,548 and 147,307.36

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Solution

The fourth proportional to 526,488.56, 789,548 and 147,307.36 is: 220,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,488.56 : 789,548 = 147,307.36 : x
  2. Step 2: Convert to fraction form
    526,488.56/789,548 = 147,307.36/x
  3. Step 3: Cross multiply
    526,488.56x = 789,548 × 147,307.36
  4. Step 4: Simplify right side
    526,488.56x = 116,306,231,473.28
  5. Step 5: Solve for x
    x = 116,306,231,473.28/526,488.56
  6. Step 6: Final answer
    x = 220,909.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.