Home / 985,347.52-1,478,025.60-275,377.12

Finding the Fourth Proportional to 985,347.52, 1,478,025.60 and 275,377.12

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Solution

The fourth proportional to 985,347.52, 1,478,025.60 and 275,377.12 is: 413,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,347.52 : 1,478,025.60 = 275,377.12 : x
  2. Step 2: Convert to fraction form
    985,347.52/1,478,025.60 = 275,377.12/x
  3. Step 3: Cross multiply
    985,347.52x = 1,478,025.60 × 275,377.12
  4. Step 4: Simplify right side
    985,347.52x = 407,014,433,014.27
  5. Step 5: Solve for x
    x = 407,014,433,014.27/985,347.52
  6. Step 6: Final answer
    x = 413,066.89

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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.