Home / 920,508.96-1,269,648-614,431.02

Finding the Fourth Proportional to 920,508.96, 1,269,648 and 614,431.02

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Solution

The fourth proportional to 920,508.96, 1,269,648 and 614,431.02 is: 847,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,508.96 : 1,269,648 = 614,431.02 : x
  2. Step 2: Convert to fraction form
    920,508.96/1,269,648 = 614,431.02/x
  3. Step 3: Cross multiply
    920,508.96x = 1,269,648 × 614,431.02
  4. Step 4: Simplify right side
    920,508.96x = 780,111,115,680.96
  5. Step 5: Solve for x
    x = 780,111,115,680.96/920,508.96
  6. Step 6: Final answer
    x = 847,478.03

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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.