Home / 730,261.24-1,007,760.42-407,971.42

Finding the Fourth Proportional to 730,261.24, 1,007,760.42 and 407,971.42

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Solution

The fourth proportional to 730,261.24, 1,007,760.42 and 407,971.42 is: 563,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,261.24 : 1,007,760.42 = 407,971.42 : x
  2. Step 2: Convert to fraction form
    730,261.24/1,007,760.42 = 407,971.42/x
  3. Step 3: Cross multiply
    730,261.24x = 1,007,760.42 × 407,971.42
  4. Step 4: Simplify right side
    730,261.24x = 411,137,449,567.20
  5. Step 5: Solve for x
    x = 411,137,449,567.20/730,261.24
  6. Step 6: Final answer
    x = 563,000.51

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1.5x scale

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.