Home / 426,174.18-588,341.49-311,323.86

Finding the Fourth Proportional to 426,174.18, 588,341.49 and 311,323.86

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Solution

The fourth proportional to 426,174.18, 588,341.49 and 311,323.86 is: 429,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,174.18 : 588,341.49 = 311,323.86 : x
  2. Step 2: Convert to fraction form
    426,174.18/588,341.49 = 311,323.86/x
  3. Step 3: Cross multiply
    426,174.18x = 588,341.49 × 311,323.86
  4. Step 4: Simplify right side
    426,174.18x = 183,164,743,664.95
  5. Step 5: Solve for x
    x = 183,164,743,664.95/426,174.18
  6. Step 6: Final answer
    x = 429,788.46

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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.