Home / 897,418.80-1,346,128.20-328,798.80

Finding the Fourth Proportional to 897,418.80, 1,346,128.20 and 328,798.80

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Solution

The fourth proportional to 897,418.80, 1,346,128.20 and 328,798.80 is: 493,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,418.80 : 1,346,128.20 = 328,798.80 : x
  2. Step 2: Convert to fraction form
    897,418.80/1,346,128.20 = 328,798.80/x
  3. Step 3: Cross multiply
    897,418.80x = 1,346,128.20 × 328,798.80
  4. Step 4: Simplify right side
    897,418.80x = 442,605,336,806.16
  5. Step 5: Solve for x
    x = 442,605,336,806.16/897,418.80
  6. Step 6: Final answer
    x = 493,198.20

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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.