Home / 722,941.71-1,084,639.21-435,067.50

Finding the Fourth Proportional to 722,941.71, 1,084,639.21 and 435,067.50

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Solution

The fourth proportional to 722,941.71, 1,084,639.21 and 435,067.50 is: 652,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,941.71 : 1,084,639.21 = 435,067.50 : x
  2. Step 2: Convert to fraction form
    722,941.71/1,084,639.21 = 435,067.50/x
  3. Step 3: Cross multiply
    722,941.71x = 1,084,639.21 × 435,067.50
  4. Step 4: Simplify right side
    722,941.71x = 471,891,272,476.40
  5. Step 5: Solve for x
    x = 471,891,272,476.40/722,941.71
  6. Step 6: Final answer
    x = 652,737.65

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1.5x scale

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.