Home / 471,789.36-651,084.48-256,938.48

Finding the Fourth Proportional to 471,789.36, 651,084.48 and 256,938.48

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Solution

The fourth proportional to 471,789.36, 651,084.48 and 256,938.48 is: 354,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,789.36 : 651,084.48 = 256,938.48 : x
  2. Step 2: Convert to fraction form
    471,789.36/651,084.48 = 256,938.48/x
  3. Step 3: Cross multiply
    471,789.36x = 651,084.48 × 256,938.48
  4. Step 4: Simplify right side
    471,789.36x = 167,288,656,642.79
  5. Step 5: Solve for x
    x = 167,288,656,642.79/471,789.36
  6. Step 6: Final answer
    x = 354,583.36

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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.