Home / 990,823.82-1,367,343.87-538,114.82

Finding the Fourth Proportional to 990,823.82, 1,367,343.87 and 538,114.82

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Solution

The fourth proportional to 990,823.82, 1,367,343.87 and 538,114.82 is: 742,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,823.82 : 1,367,343.87 = 538,114.82 : x
  2. Step 2: Convert to fraction form
    990,823.82/1,367,343.87 = 538,114.82/x
  3. Step 3: Cross multiply
    990,823.82x = 1,367,343.87 × 538,114.82
  4. Step 4: Simplify right side
    990,823.82x = 735,788,000,483.15
  5. Step 5: Solve for x
    x = 735,788,000,483.15/990,823.82
  6. Step 6: Final answer
    x = 742,602.25

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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.