Home / 951,325.20-1,311,848.76-664,740.72

Finding the Fourth Proportional to 951,325.20, 1,311,848.76 and 664,740.72

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Solution

The fourth proportional to 951,325.20, 1,311,848.76 and 664,740.72 is: 916,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,325.20 : 1,311,848.76 = 664,740.72 : x
  2. Step 2: Convert to fraction form
    951,325.20/1,311,848.76 = 664,740.72/x
  3. Step 3: Cross multiply
    951,325.20x = 1,311,848.76 × 664,740.72
  4. Step 4: Simplify right side
    951,325.20x = 872,039,289,253.51
  5. Step 5: Solve for x
    x = 872,039,289,253.51/951,325.20
  6. Step 6: Final answer
    x = 916,657.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.