Home / 897,141.12-1,345,705.24-328,561.20

Finding the Fourth Proportional to 897,141.12, 1,345,705.24 and 328,561.20

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Solution

The fourth proportional to 897,141.12, 1,345,705.24 and 328,561.20 is: 492,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,141.12 : 1,345,705.24 = 328,561.20 : x
  2. Step 2: Convert to fraction form
    897,141.12/1,345,705.24 = 328,561.20/x
  3. Step 3: Cross multiply
    897,141.12x = 1,345,705.24 × 328,561.20
  4. Step 4: Simplify right side
    897,141.12x = 442,146,528,500.69
  5. Step 5: Solve for x
    x = 442,146,528,500.69/897,141.12
  6. Step 6: Final answer
    x = 492,839.44

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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.