Home / 790,627.24-1,091,066.30-428,051.36

Finding the Fourth Proportional to 790,627.24, 1,091,066.30 and 428,051.36

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Solution

The fourth proportional to 790,627.24, 1,091,066.30 and 428,051.36 is: 590,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,627.24 : 1,091,066.30 = 428,051.36 : x
  2. Step 2: Convert to fraction form
    790,627.24/1,091,066.30 = 428,051.36/x
  3. Step 3: Cross multiply
    790,627.24x = 1,091,066.30 × 428,051.36
  4. Step 4: Simplify right side
    790,627.24x = 467,032,413,565.17
  5. Step 5: Solve for x
    x = 467,032,413,565.17/790,627.24
  6. Step 6: Final answer
    x = 590,711.26

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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.