Home / 511,531.30-705,897.99-282,088.58

Finding the Fourth Proportional to 511,531.30, 705,897.99 and 282,088.58

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Solution

The fourth proportional to 511,531.30, 705,897.99 and 282,088.58 is: 389,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,531.30 : 705,897.99 = 282,088.58 : x
  2. Step 2: Convert to fraction form
    511,531.30/705,897.99 = 282,088.58/x
  3. Step 3: Cross multiply
    511,531.30x = 705,897.99 × 282,088.58
  4. Step 4: Simplify right side
    511,531.30x = 199,125,758,094.46
  5. Step 5: Solve for x
    x = 199,125,758,094.46/511,531.30
  6. Step 6: Final answer
    x = 389,273.85

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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.