Home / 912,437.28-1,368,749.58-344,296.54

Finding the Fourth Proportional to 912,437.28, 1,368,749.58 and 344,296.54

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Solution

The fourth proportional to 912,437.28, 1,368,749.58 and 344,296.54 is: 516,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,437.28 : 1,368,749.58 = 344,296.54 : x
  2. Step 2: Convert to fraction form
    912,437.28/1,368,749.58 = 344,296.54/x
  3. Step 3: Cross multiply
    912,437.28x = 1,368,749.58 × 344,296.54
  4. Step 4: Simplify right side
    912,437.28x = 471,255,744,520.45
  5. Step 5: Solve for x
    x = 471,255,744,520.45/912,437.28
  6. Step 6: Final answer
    x = 516,480.15

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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.