Home / 803,167.11-1,108,360.26-458,999.09

Finding the Fourth Proportional to 803,167.11, 1,108,360.26 and 458,999.09

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Solution

The fourth proportional to 803,167.11, 1,108,360.26 and 458,999.09 is: 633,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,167.11 : 1,108,360.26 = 458,999.09 : x
  2. Step 2: Convert to fraction form
    803,167.11/1,108,360.26 = 458,999.09/x
  3. Step 3: Cross multiply
    803,167.11x = 1,108,360.26 × 458,999.09
  4. Step 4: Simplify right side
    803,167.11x = 508,736,349,346.71
  5. Step 5: Solve for x
    x = 508,736,349,346.71/803,167.11
  6. Step 6: Final answer
    x = 633,412.83

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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.