Home / 832,002.31-1,245,554.02-515,441.35

Finding the Fourth Proportional to 832,002.31, 1,245,554.02 and 515,441.35

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Solution

The fourth proportional to 832,002.31, 1,245,554.02 and 515,441.35 is: 771,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,002.31 : 1,245,554.02 = 515,441.35 : x
  2. Step 2: Convert to fraction form
    832,002.31/1,245,554.02 = 515,441.35/x
  3. Step 3: Cross multiply
    832,002.31x = 1,245,554.02 × 515,441.35
  4. Step 4: Simplify right side
    832,002.31x = 642,010,043,097.14
  5. Step 5: Solve for x
    x = 642,010,043,097.14/832,002.31
  6. Step 6: Final answer
    x = 771,644.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.