Home / 805,363.37-1,111,373.05-442,784.43

Finding the Fourth Proportional to 805,363.37, 1,111,373.05 and 442,784.43

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Solution

The fourth proportional to 805,363.37, 1,111,373.05 and 442,784.43 is: 611,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,363.37 : 1,111,373.05 = 442,784.43 : x
  2. Step 2: Convert to fraction form
    805,363.37/1,111,373.05 = 442,784.43/x
  3. Step 3: Cross multiply
    805,363.37x = 1,111,373.05 × 442,784.43
  4. Step 4: Simplify right side
    805,363.37x = 492,098,682,461.61
  5. Step 5: Solve for x
    x = 492,098,682,461.61/805,363.37
  6. Step 6: Final answer
    x = 611,026.90

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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.