Home / 426,020.10-587,911.33-235,046.40

Finding the Fourth Proportional to 426,020.10, 587,911.33 and 235,046.40

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Solution

The fourth proportional to 426,020.10, 587,911.33 and 235,046.40 is: 324,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,020.10 : 587,911.33 = 235,046.40 : x
  2. Step 2: Convert to fraction form
    426,020.10/587,911.33 = 235,046.40/x
  3. Step 3: Cross multiply
    426,020.10x = 587,911.33 × 235,046.40
  4. Step 4: Simplify right side
    426,020.10x = 138,186,441,635.71
  5. Step 5: Solve for x
    x = 138,186,441,635.71/426,020.10
  6. Step 6: Final answer
    x = 324,366.01

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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.