Home / 990,750.96-1,367,236.34-538,041.96

Finding the Fourth Proportional to 990,750.96, 1,367,236.34 and 538,041.96

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Solution

The fourth proportional to 990,750.96, 1,367,236.34 and 538,041.96 is: 742,497.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,750.96 : 1,367,236.34 = 538,041.96 : x
  2. Step 2: Convert to fraction form
    990,750.96/1,367,236.34 = 538,041.96/x
  3. Step 3: Cross multiply
    990,750.96x = 1,367,236.34 × 538,041.96
  4. Step 4: Simplify right side
    990,750.96x = 735,630,520,156.83
  5. Step 5: Solve for x
    x = 735,630,520,156.83/990,750.96
  6. Step 6: Final answer
    x = 742,497.91

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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.