Home / 909,531.78-1,364,301.71-235,565.20

Finding the Fourth Proportional to 909,531.78, 1,364,301.71 and 235,565.20

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Solution

The fourth proportional to 909,531.78, 1,364,301.71 and 235,565.20 is: 353,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,531.78 : 1,364,301.71 = 235,565.20 : x
  2. Step 2: Convert to fraction form
    909,531.78/1,364,301.71 = 235,565.20/x
  3. Step 3: Cross multiply
    909,531.78x = 1,364,301.71 × 235,565.20
  4. Step 4: Simplify right side
    909,531.78x = 321,382,005,176.49
  5. Step 5: Solve for x
    x = 321,382,005,176.49/909,531.78
  6. Step 6: Final answer
    x = 353,348.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.