Home / 766,756.32-1,058,080.50-422,591.16

Finding the Fourth Proportional to 766,756.32, 1,058,080.50 and 422,591.16

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Solution

The fourth proportional to 766,756.32, 1,058,080.50 and 422,591.16 is: 583,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,756.32 : 1,058,080.50 = 422,591.16 : x
  2. Step 2: Convert to fraction form
    766,756.32/1,058,080.50 = 422,591.16/x
  3. Step 3: Cross multiply
    766,756.32x = 1,058,080.50 × 422,591.16
  4. Step 4: Simplify right side
    766,756.32x = 447,135,465,868.38
  5. Step 5: Solve for x
    x = 447,135,465,868.38/766,756.32
  6. Step 6: Final answer
    x = 583,151.98

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1.5x scale

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.