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Finding the Fourth Proportional to 555,901.60, 832,962.48 and 541,139.08

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Solution

The fourth proportional to 555,901.60, 832,962.48 and 541,139.08 is: 810,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,901.60 : 832,962.48 = 541,139.08 : x
  2. Step 2: Convert to fraction form
    555,901.60/832,962.48 = 541,139.08/x
  3. Step 3: Cross multiply
    555,901.60x = 832,962.48 × 541,139.08
  4. Step 4: Simplify right side
    555,901.60x = 450,748,550,101.72
  5. Step 5: Solve for x
    x = 450,748,550,101.72/555,901.60
  6. Step 6: Final answer
    x = 810,842.33

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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.