Home / 720,354.38-1,080,577.65-277,122.38

Finding the Fourth Proportional to 720,354.38, 1,080,577.65 and 277,122.38

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Solution

The fourth proportional to 720,354.38, 1,080,577.65 and 277,122.38 is: 415,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,354.38 : 1,080,577.65 = 277,122.38 : x
  2. Step 2: Convert to fraction form
    720,354.38/1,080,577.65 = 277,122.38/x
  3. Step 3: Cross multiply
    720,354.38x = 1,080,577.65 × 277,122.38
  4. Step 4: Simplify right side
    720,354.38x = 299,452,250,142.81
  5. Step 5: Solve for x
    x = 299,452,250,142.81/720,354.38
  6. Step 6: Final answer
    x = 415,701.30

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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.