Home / 426,330.12-588,339.70-235,339.40

Finding the Fourth Proportional to 426,330.12, 588,339.70 and 235,339.40

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Solution

The fourth proportional to 426,330.12, 588,339.70 and 235,339.40 is: 324,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,330.12 : 588,339.70 = 235,339.40 : x
  2. Step 2: Convert to fraction form
    426,330.12/588,339.70 = 235,339.40/x
  3. Step 3: Cross multiply
    426,330.12x = 588,339.70 × 235,339.40
  4. Step 4: Simplify right side
    426,330.12x = 138,459,511,994.18
  5. Step 5: Solve for x
    x = 138,459,511,994.18/426,330.12
  6. Step 6: Final answer
    x = 324,770.65

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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.