Home / 878,748.42-1,318,110.32-346,274.08

Finding the Fourth Proportional to 878,748.42, 1,318,110.32 and 346,274.08

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Solution

The fourth proportional to 878,748.42, 1,318,110.32 and 346,274.08 is: 519,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,748.42 : 1,318,110.32 = 346,274.08 : x
  2. Step 2: Convert to fraction form
    878,748.42/1,318,110.32 = 346,274.08/x
  3. Step 3: Cross multiply
    878,748.42x = 1,318,110.32 × 346,274.08
  4. Step 4: Simplify right side
    878,748.42x = 456,427,438,396.51
  5. Step 5: Solve for x
    x = 456,427,438,396.51/878,748.42
  6. Step 6: Final answer
    x = 519,406.27

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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.