Home / 898,444.02-1,239,961.48-511,353.56

Finding the Fourth Proportional to 898,444.02, 1,239,961.48 and 511,353.56

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Solution

The fourth proportional to 898,444.02, 1,239,961.48 and 511,353.56 is: 705,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,444.02 : 1,239,961.48 = 511,353.56 : x
  2. Step 2: Convert to fraction form
    898,444.02/1,239,961.48 = 511,353.56/x
  3. Step 3: Cross multiply
    898,444.02x = 1,239,961.48 × 511,353.56
  4. Step 4: Simplify right side
    898,444.02x = 634,058,717,060.87
  5. Step 5: Solve for x
    x = 634,058,717,060.87/898,444.02
  6. Step 6: Final answer
    x = 705,729.80

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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.