Home / 785,027.61-1,083,335.04-440,815.68

Finding the Fourth Proportional to 785,027.61, 1,083,335.04 and 440,815.68

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Solution

The fourth proportional to 785,027.61, 1,083,335.04 and 440,815.68 is: 608,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,027.61 : 1,083,335.04 = 440,815.68 : x
  2. Step 2: Convert to fraction form
    785,027.61/1,083,335.04 = 440,815.68/x
  3. Step 3: Cross multiply
    785,027.61x = 1,083,335.04 × 440,815.68
  4. Step 4: Simplify right side
    785,027.61x = 477,551,072,325.43
  5. Step 5: Solve for x
    x = 477,551,072,325.43/785,027.61
  6. Step 6: Final answer
    x = 608,323.92

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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.