Home / 426,401.28-588,434.64-235,415.04

Finding the Fourth Proportional to 426,401.28, 588,434.64 and 235,415.04

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Solution

The fourth proportional to 426,401.28, 588,434.64 and 235,415.04 is: 324,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,401.28 : 588,434.64 = 235,415.04 : x
  2. Step 2: Convert to fraction form
    426,401.28/588,434.64 = 235,415.04/x
  3. Step 3: Cross multiply
    426,401.28x = 588,434.64 × 235,415.04
  4. Step 4: Simplify right side
    426,401.28x = 138,526,364,312.99
  5. Step 5: Solve for x
    x = 138,526,364,312.99/426,401.28
  6. Step 6: Final answer
    x = 324,873.24

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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.