Home / 684,752.02-1,027,486.19-280,244.50

Finding the Fourth Proportional to 684,752.02, 1,027,486.19 and 280,244.50

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Solution

The fourth proportional to 684,752.02, 1,027,486.19 and 280,244.50 is: 420,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,752.02 : 1,027,486.19 = 280,244.50 : x
  2. Step 2: Convert to fraction form
    684,752.02/1,027,486.19 = 280,244.50/x
  3. Step 3: Cross multiply
    684,752.02x = 1,027,486.19 × 280,244.50
  4. Step 4: Simplify right side
    684,752.02x = 287,947,353,573.46
  5. Step 5: Solve for x
    x = 287,947,353,573.46/684,752.02
  6. Step 6: Final answer
    x = 420,513.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.