Home / 988,803.09-1,364,575.14-559,147.50

Finding the Fourth Proportional to 988,803.09, 1,364,575.14 and 559,147.50

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Solution

The fourth proportional to 988,803.09, 1,364,575.14 and 559,147.50 is: 771,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,803.09 : 1,364,575.14 = 559,147.50 : x
  2. Step 2: Convert to fraction form
    988,803.09/1,364,575.14 = 559,147.50/x
  3. Step 3: Cross multiply
    988,803.09x = 1,364,575.14 × 559,147.50
  4. Step 4: Simplify right side
    988,803.09x = 762,998,778,093.15
  5. Step 5: Solve for x
    x = 762,998,778,093.15/988,803.09
  6. Step 6: Final answer
    x = 771,638.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.