Home / 771,378.96-1,156,635.12-528,494.16

Finding the Fourth Proportional to 771,378.96, 1,156,635.12 and 528,494.16

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Solution

The fourth proportional to 771,378.96, 1,156,635.12 and 528,494.16 is: 792,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,378.96 : 1,156,635.12 = 528,494.16 : x
  2. Step 2: Convert to fraction form
    771,378.96/1,156,635.12 = 528,494.16/x
  3. Step 3: Cross multiply
    771,378.96x = 1,156,635.12 × 528,494.16
  4. Step 4: Simplify right side
    771,378.96x = 611,274,906,170.90
  5. Step 5: Solve for x
    x = 611,274,906,170.90/771,378.96
  6. Step 6: Final answer
    x = 792,444.36

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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.