Home / 988,749.37-1,364,510.82-559,003.87

Finding the Fourth Proportional to 988,749.37, 1,364,510.82 and 559,003.87

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Solution

The fourth proportional to 988,749.37, 1,364,510.82 and 559,003.87 is: 771,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,749.37 : 1,364,510.82 = 559,003.87 : x
  2. Step 2: Convert to fraction form
    988,749.37/1,364,510.82 = 559,003.87/x
  3. Step 3: Cross multiply
    988,749.37x = 1,364,510.82 × 559,003.87
  4. Step 4: Simplify right side
    988,749.37x = 762,766,829,036.87
  5. Step 5: Solve for x
    x = 762,766,829,036.87/988,749.37
  6. Step 6: Final answer
    x = 771,446.08

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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.