Home / 783,298.50-1,080,958.53-425,602.50

Finding the Fourth Proportional to 783,298.50, 1,080,958.53 and 425,602.50

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Solution

The fourth proportional to 783,298.50, 1,080,958.53 and 425,602.50 is: 587,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,298.50 : 1,080,958.53 = 425,602.50 : x
  2. Step 2: Convert to fraction form
    783,298.50/1,080,958.53 = 425,602.50/x
  3. Step 3: Cross multiply
    783,298.50x = 1,080,958.53 × 425,602.50
  4. Step 4: Simplify right side
    783,298.50x = 460,058,652,764.33
  5. Step 5: Solve for x
    x = 460,058,652,764.33/783,298.50
  6. Step 6: Final answer
    x = 587,335.04

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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.