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Finding the Fourth Proportional to 526,477.12, 789,530.92 and 147,295.98

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Solution

The fourth proportional to 526,477.12, 789,530.92 and 147,295.98 is: 220,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,477.12 : 789,530.92 = 147,295.98 : x
  2. Step 2: Convert to fraction form
    526,477.12/789,530.92 = 147,295.98/x
  3. Step 3: Cross multiply
    526,477.12x = 789,530.92 × 147,295.98
  4. Step 4: Simplify right side
    526,477.12x = 116,294,730,233.46
  5. Step 5: Solve for x
    x = 116,294,730,233.46/526,477.12
  6. Step 6: Final answer
    x = 220,892.28

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1.5x scale

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.