Home / 878,855.10-1,318,023.45-346,199.10

Finding the Fourth Proportional to 878,855.10, 1,318,023.45 and 346,199.10

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Solution

The fourth proportional to 878,855.10, 1,318,023.45 and 346,199.10 is: 519,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,855.10 : 1,318,023.45 = 346,199.10 : x
  2. Step 2: Convert to fraction form
    878,855.10/1,318,023.45 = 346,199.10/x
  3. Step 3: Cross multiply
    878,855.10x = 1,318,023.45 × 346,199.10
  4. Step 4: Simplify right side
    878,855.10x = 456,298,532,168.90
  5. Step 5: Solve for x
    x = 456,298,532,168.90/878,855.10
  6. Step 6: Final answer
    x = 519,196.55

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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.