Home / 830,395.04-1,245,985.68-494,100.32

Finding the Fourth Proportional to 830,395.04, 1,245,985.68 and 494,100.32

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Solution

The fourth proportional to 830,395.04, 1,245,985.68 and 494,100.32 is: 741,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,395.04 : 1,245,985.68 = 494,100.32 : x
  2. Step 2: Convert to fraction form
    830,395.04/1,245,985.68 = 494,100.32/x
  3. Step 3: Cross multiply
    830,395.04x = 1,245,985.68 × 494,100.32
  4. Step 4: Simplify right side
    830,395.04x = 615,641,923,203.42
  5. Step 5: Solve for x
    x = 615,641,923,203.42/830,395.04
  6. Step 6: Final answer
    x = 741,384.39

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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.