Home / 558,012.75-836,756.63-389,723.10

Finding the Fourth Proportional to 558,012.75, 836,756.63 and 389,723.10

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Solution

The fourth proportional to 558,012.75, 836,756.63 and 389,723.10 is: 584,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,012.75 : 836,756.63 = 389,723.10 : x
  2. Step 2: Convert to fraction form
    558,012.75/836,756.63 = 389,723.10/x
  3. Step 3: Cross multiply
    558,012.75x = 836,756.63 × 389,723.10
  4. Step 4: Simplify right side
    558,012.75x = 326,103,384,164.16
  5. Step 5: Solve for x
    x = 326,103,384,164.16/558,012.75
  6. Step 6: Final answer
    x = 584,401.32

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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.