Home / 905,259.52-1,248,233.16-578,142.64

Finding the Fourth Proportional to 905,259.52, 1,248,233.16 and 578,142.64

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Solution

The fourth proportional to 905,259.52, 1,248,233.16 and 578,142.64 is: 797,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,259.52 : 1,248,233.16 = 578,142.64 : x
  2. Step 2: Convert to fraction form
    905,259.52/1,248,233.16 = 578,142.64/x
  3. Step 3: Cross multiply
    905,259.52x = 1,248,233.16 × 578,142.64
  4. Step 4: Simplify right side
    905,259.52x = 721,656,814,457.94
  5. Step 5: Solve for x
    x = 721,656,814,457.94/905,259.52
  6. Step 6: Final answer
    x = 797,182.24

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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.