Home / 803,085.87-1,108,238.52-458,899.97

Finding the Fourth Proportional to 803,085.87, 1,108,238.52 and 458,899.97

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Solution

The fourth proportional to 803,085.87, 1,108,238.52 and 458,899.97 is: 633,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,085.87 : 1,108,238.52 = 458,899.97 : x
  2. Step 2: Convert to fraction form
    803,085.87/1,108,238.52 = 458,899.97/x
  3. Step 3: Cross multiply
    803,085.87x = 1,108,238.52 × 458,899.97
  4. Step 4: Simplify right side
    803,085.87x = 508,570,623,580.84
  5. Step 5: Solve for x
    x = 508,570,623,580.84/803,085.87
  6. Step 6: Final answer
    x = 633,270.54

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1.5x scale

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.