Home / 753,474.15-1,130,121.72-247,909.77

Finding the Fourth Proportional to 753,474.15, 1,130,121.72 and 247,909.77

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Solution

The fourth proportional to 753,474.15, 1,130,121.72 and 247,909.77 is: 371,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,474.15 : 1,130,121.72 = 247,909.77 : x
  2. Step 2: Convert to fraction form
    753,474.15/1,130,121.72 = 247,909.77/x
  3. Step 3: Cross multiply
    753,474.15x = 1,130,121.72 × 247,909.77
  4. Step 4: Simplify right side
    753,474.15x = 280,168,215,677.20
  5. Step 5: Solve for x
    x = 280,168,215,677.20/753,474.15
  6. Step 6: Final answer
    x = 371,835.21

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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.