Home / 985,865.60-1,478,740.08-275,877.92

Finding the Fourth Proportional to 985,865.60, 1,478,740.08 and 275,877.92

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Solution

The fourth proportional to 985,865.60, 1,478,740.08 and 275,877.92 is: 413,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,865.60 : 1,478,740.08 = 275,877.92 : x
  2. Step 2: Convert to fraction form
    985,865.60/1,478,740.08 = 275,877.92/x
  3. Step 3: Cross multiply
    985,865.60x = 1,478,740.08 × 275,877.92
  4. Step 4: Simplify right side
    985,865.60x = 407,951,742,222.43
  5. Step 5: Solve for x
    x = 407,951,742,222.43/985,865.60
  6. Step 6: Final answer
    x = 413,800.56

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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.