Home / 988,922.10-1,364,739.36-559,266.50

Finding the Fourth Proportional to 988,922.10, 1,364,739.36 and 559,266.50

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Solution

The fourth proportional to 988,922.10, 1,364,739.36 and 559,266.50 is: 771,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,922.10 : 1,364,739.36 = 559,266.50 : x
  2. Step 2: Convert to fraction form
    988,922.10/1,364,739.36 = 559,266.50/x
  3. Step 3: Cross multiply
    988,922.10x = 1,364,739.36 × 559,266.50
  4. Step 4: Simplify right side
    988,922.10x = 763,253,005,279.44
  5. Step 5: Solve for x
    x = 763,253,005,279.44/988,922.10
  6. Step 6: Final answer
    x = 771,802.96

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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.