Home / 991,273.32-1,486,914.84-243,319.32

Finding the Fourth Proportional to 991,273.32, 1,486,914.84 and 243,319.32

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Solution

The fourth proportional to 991,273.32, 1,486,914.84 and 243,319.32 is: 364,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,273.32 : 1,486,914.84 = 243,319.32 : x
  2. Step 2: Convert to fraction form
    991,273.32/1,486,914.84 = 243,319.32/x
  3. Step 3: Cross multiply
    991,273.32x = 1,486,914.84 × 243,319.32
  4. Step 4: Simplify right side
    991,273.32x = 361,795,107,766.71
  5. Step 5: Solve for x
    x = 361,795,107,766.71/991,273.32
  6. Step 6: Final answer
    x = 364,980.17

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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.