Home / 896,734.80-1,345,102.20-328,114.80

Finding the Fourth Proportional to 896,734.80, 1,345,102.20 and 328,114.80

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Solution

The fourth proportional to 896,734.80, 1,345,102.20 and 328,114.80 is: 492,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,734.80 : 1,345,102.20 = 328,114.80 : x
  2. Step 2: Convert to fraction form
    896,734.80/1,345,102.20 = 328,114.80/x
  3. Step 3: Cross multiply
    896,734.80x = 1,345,102.20 × 328,114.80
  4. Step 4: Simplify right side
    896,734.80x = 441,347,939,332.56
  5. Step 5: Solve for x
    x = 441,347,939,332.56/896,734.80
  6. Step 6: Final answer
    x = 492,172.20

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Double scale
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Similar ratio
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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.