Home / 819,494.65-1,130,765.56-456,839.02

Finding the Fourth Proportional to 819,494.65, 1,130,765.56 and 456,839.02

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Solution

The fourth proportional to 819,494.65, 1,130,765.56 and 456,839.02 is: 630,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,494.65 : 1,130,765.56 = 456,839.02 : x
  2. Step 2: Convert to fraction form
    819,494.65/1,130,765.56 = 456,839.02/x
  3. Step 3: Cross multiply
    819,494.65x = 1,130,765.56 × 456,839.02
  4. Step 4: Simplify right side
    819,494.65x = 516,577,830,280.15
  5. Step 5: Solve for x
    x = 516,577,830,280.15/819,494.65
  6. Step 6: Final answer
    x = 630,361.44

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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.