Home / 878,938.46-1,318,533.96-271,774.04

Finding the Fourth Proportional to 878,938.46, 1,318,533.96 and 271,774.04

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Solution

The fourth proportional to 878,938.46, 1,318,533.96 and 271,774.04 is: 407,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,938.46 : 1,318,533.96 = 271,774.04 : x
  2. Step 2: Convert to fraction form
    878,938.46/1,318,533.96 = 271,774.04/x
  3. Step 3: Cross multiply
    878,938.46x = 1,318,533.96 × 271,774.04
  4. Step 4: Simplify right side
    878,938.46x = 358,343,301,186.40
  5. Step 5: Solve for x
    x = 358,343,301,186.40/878,938.46
  6. Step 6: Final answer
    x = 407,700.10

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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.