Home / 474,242.04-654,477.98-280,760.78

Finding the Fourth Proportional to 474,242.04, 654,477.98 and 280,760.78

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Solution

The fourth proportional to 474,242.04, 654,477.98 and 280,760.78 is: 387,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,242.04 : 654,477.98 = 280,760.78 : x
  2. Step 2: Convert to fraction form
    474,242.04/654,477.98 = 280,760.78/x
  3. Step 3: Cross multiply
    474,242.04x = 654,477.98 × 280,760.78
  4. Step 4: Simplify right side
    474,242.04x = 183,751,748,390.02
  5. Step 5: Solve for x
    x = 183,751,748,390.02/474,242.04
  6. Step 6: Final answer
    x = 387,464.06

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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.