Home / 730,282.94-1,007,811-408,028.52

Finding the Fourth Proportional to 730,282.94, 1,007,811 and 408,028.52

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Solution

The fourth proportional to 730,282.94, 1,007,811 and 408,028.52 is: 563,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,282.94 : 1,007,811 = 408,028.52 : x
  2. Step 2: Convert to fraction form
    730,282.94/1,007,811 = 408,028.52/x
  3. Step 3: Cross multiply
    730,282.94x = 1,007,811 × 408,028.52
  4. Step 4: Simplify right side
    730,282.94x = 411,215,630,769.72
  5. Step 5: Solve for x
    x = 411,215,630,769.72/730,282.94
  6. Step 6: Final answer
    x = 563,090.84

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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.