Home / 990,750.03-1,367,234.94-561,030.05

Finding the Fourth Proportional to 990,750.03, 1,367,234.94 and 561,030.05

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Solution

The fourth proportional to 990,750.03, 1,367,234.94 and 561,030.05 is: 774,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,750.03 : 1,367,234.94 = 561,030.05 : x
  2. Step 2: Convert to fraction form
    990,750.03/1,367,234.94 = 561,030.05/x
  3. Step 3: Cross multiply
    990,750.03x = 1,367,234.94 × 561,030.05
  4. Step 4: Simplify right side
    990,750.03x = 767,059,884,581.20
  5. Step 5: Solve for x
    x = 767,059,884,581.20/990,750.03
  6. Step 6: Final answer
    x = 774,221.41

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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.