Home / 649,820.12-974,730.30-176,575.40

Finding the Fourth Proportional to 649,820.12, 974,730.30 and 176,575.40

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Solution

The fourth proportional to 649,820.12, 974,730.30 and 176,575.40 is: 264,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,820.12 : 974,730.30 = 176,575.40 : x
  2. Step 2: Convert to fraction form
    649,820.12/974,730.30 = 176,575.40/x
  3. Step 3: Cross multiply
    649,820.12x = 974,730.30 × 176,575.40
  4. Step 4: Simplify right side
    649,820.12x = 172,113,392,614.62
  5. Step 5: Solve for x
    x = 172,113,392,614.62/649,820.12
  6. Step 6: Final answer
    x = 264,863.13

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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.