Home / 898,437.02-1,239,951.82-511,346.56

Finding the Fourth Proportional to 898,437.02, 1,239,951.82 and 511,346.56

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Solution

The fourth proportional to 898,437.02, 1,239,951.82 and 511,346.56 is: 705,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,437.02 : 1,239,951.82 = 511,346.56 : x
  2. Step 2: Convert to fraction form
    898,437.02/1,239,951.82 = 511,346.56/x
  3. Step 3: Cross multiply
    898,437.02x = 1,239,951.82 × 511,346.56
  4. Step 4: Simplify right side
    898,437.02x = 634,045,097,722.74
  5. Step 5: Solve for x
    x = 634,045,097,722.74/898,437.02
  6. Step 6: Final answer
    x = 705,720.14

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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.