Home / 905,502.79-1,249,073.49-565,380.55

Finding the Fourth Proportional to 905,502.79, 1,249,073.49 and 565,380.55

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Solution

The fourth proportional to 905,502.79, 1,249,073.49 and 565,380.55 is: 779,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,502.79 : 1,249,073.49 = 565,380.55 : x
  2. Step 2: Convert to fraction form
    905,502.79/1,249,073.49 = 565,380.55/x
  3. Step 3: Cross multiply
    905,502.79x = 1,249,073.49 × 565,380.55
  4. Step 4: Simplify right side
    905,502.79x = 706,201,856,766.62
  5. Step 5: Solve for x
    x = 706,201,856,766.62/905,502.79
  6. Step 6: Final answer
    x = 779,900.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.