Home / 649,348.07-974,219.20-312,293.07

Finding the Fourth Proportional to 649,348.07, 974,219.20 and 312,293.07

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Solution

The fourth proportional to 649,348.07, 974,219.20 and 312,293.07 is: 468,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,348.07 : 974,219.20 = 312,293.07 : x
  2. Step 2: Convert to fraction form
    649,348.07/974,219.20 = 312,293.07/x
  3. Step 3: Cross multiply
    649,348.07x = 974,219.20 × 312,293.07
  4. Step 4: Simplify right side
    649,348.07x = 304,241,904,040.21
  5. Step 5: Solve for x
    x = 304,241,904,040.21/649,348.07
  6. Step 6: Final answer
    x = 468,534.40

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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.