Home / 830,390.04-1,245,978.18-494,095.32

Finding the Fourth Proportional to 830,390.04, 1,245,978.18 and 494,095.32

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Solution

The fourth proportional to 830,390.04, 1,245,978.18 and 494,095.32 is: 741,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,390.04 : 1,245,978.18 = 494,095.32 : x
  2. Step 2: Convert to fraction form
    830,390.04/1,245,978.18 = 494,095.32/x
  3. Step 3: Cross multiply
    830,390.04x = 1,245,978.18 × 494,095.32
  4. Step 4: Simplify right side
    830,390.04x = 615,631,987,560.12
  5. Step 5: Solve for x
    x = 615,631,987,560.12/830,390.04
  6. Step 6: Final answer
    x = 741,376.89

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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.