Home / 897,440.30-1,346,160.45-328,820.30

Finding the Fourth Proportional to 897,440.30, 1,346,160.45 and 328,820.30

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Solution

The fourth proportional to 897,440.30, 1,346,160.45 and 328,820.30 is: 493,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,440.30 : 1,346,160.45 = 328,820.30 : x
  2. Step 2: Convert to fraction form
    897,440.30/1,346,160.45 = 328,820.30/x
  3. Step 3: Cross multiply
    897,440.30x = 1,346,160.45 × 328,820.30
  4. Step 4: Simplify right side
    897,440.30x = 442,644,883,017.14
  5. Step 5: Solve for x
    x = 442,644,883,017.14/897,440.30
  6. Step 6: Final answer
    x = 493,230.45

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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.