Home / 684,692.70-1,026,183.69-472,641.18

Finding the Fourth Proportional to 684,692.70, 1,026,183.69 and 472,641.18

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Solution

The fourth proportional to 684,692.70, 1,026,183.69 and 472,641.18 is: 708,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,692.70 : 1,026,183.69 = 472,641.18 : x
  2. Step 2: Convert to fraction form
    684,692.70/1,026,183.69 = 472,641.18/x
  3. Step 3: Cross multiply
    684,692.70x = 1,026,183.69 × 472,641.18
  4. Step 4: Simplify right side
    684,692.70x = 485,016,670,138.35
  5. Step 5: Solve for x
    x = 485,016,670,138.35/684,692.70
  6. Step 6: Final answer
    x = 708,371.32

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1.5x scale

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.