Home / 745,195.20-1,118,084.40-271,928.40

Finding the Fourth Proportional to 745,195.20, 1,118,084.40 and 271,928.40

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Solution

The fourth proportional to 745,195.20, 1,118,084.40 and 271,928.40 is: 407,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,195.20 : 1,118,084.40 = 271,928.40 : x
  2. Step 2: Convert to fraction form
    745,195.20/1,118,084.40 = 271,928.40/x
  3. Step 3: Cross multiply
    745,195.20x = 1,118,084.40 × 271,928.40
  4. Step 4: Simplify right side
    745,195.20x = 304,038,901,956.96
  5. Step 5: Solve for x
    x = 304,038,901,956.96/745,195.20
  6. Step 6: Final answer
    x = 407,999.01

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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.