Home / 912,682.60-1,366,927.77-455,871.69

Finding the Fourth Proportional to 912,682.60, 1,366,927.77 and 455,871.69

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Solution

The fourth proportional to 912,682.60, 1,366,927.77 and 455,871.69 is: 682,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,682.60 : 1,366,927.77 = 455,871.69 : x
  2. Step 2: Convert to fraction form
    912,682.60/1,366,927.77 = 455,871.69/x
  3. Step 3: Cross multiply
    912,682.60x = 1,366,927.77 × 455,871.69
  4. Step 4: Simplify right side
    912,682.60x = 623,143,672,617.83
  5. Step 5: Solve for x
    x = 623,143,672,617.83/912,682.60
  6. Step 6: Final answer
    x = 682,760.55

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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.