Home / 985,567.64-1,478,125.46-275,645.84

Finding the Fourth Proportional to 985,567.64, 1,478,125.46 and 275,645.84

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Solution

The fourth proportional to 985,567.64, 1,478,125.46 and 275,645.84 is: 413,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,567.64 : 1,478,125.46 = 275,645.84 : x
  2. Step 2: Convert to fraction form
    985,567.64/1,478,125.46 = 275,645.84/x
  3. Step 3: Cross multiply
    985,567.64x = 1,478,125.46 × 275,645.84
  4. Step 4: Simplify right side
    985,567.64x = 407,439,127,345.57
  5. Step 5: Solve for x
    x = 407,439,127,345.57/985,567.64
  6. Step 6: Final answer
    x = 413,405.55

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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.