Home / 477,180.08-658,521.12-259,403.40

Finding the Fourth Proportional to 477,180.08, 658,521.12 and 259,403.40

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Solution

The fourth proportional to 477,180.08, 658,521.12 and 259,403.40 is: 357,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,180.08 : 658,521.12 = 259,403.40 : x
  2. Step 2: Convert to fraction form
    477,180.08/658,521.12 = 259,403.40/x
  3. Step 3: Cross multiply
    477,180.08x = 658,521.12 × 259,403.40
  4. Step 4: Simplify right side
    477,180.08x = 170,822,617,499.81
  5. Step 5: Solve for x
    x = 170,822,617,499.81/477,180.08
  6. Step 6: Final answer
    x = 357,983.55

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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.