Home / 988,801.89-1,364,508.75-559,091.01

Finding the Fourth Proportional to 988,801.89, 1,364,508.75 and 559,091.01

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Solution

The fourth proportional to 988,801.89, 1,364,508.75 and 559,091.01 is: 771,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,801.89 : 1,364,508.75 = 559,091.01 : x
  2. Step 2: Convert to fraction form
    988,801.89/1,364,508.75 = 559,091.01/x
  3. Step 3: Cross multiply
    988,801.89x = 1,364,508.75 × 559,091.01
  4. Step 4: Simplify right side
    988,801.89x = 762,884,575,191.34
  5. Step 5: Solve for x
    x = 762,884,575,191.34/988,801.89
  6. Step 6: Final answer
    x = 771,524.19

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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.