Home / 727,834.52-1,004,418.36-401,159.12

Finding the Fourth Proportional to 727,834.52, 1,004,418.36 and 401,159.12

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Solution

The fourth proportional to 727,834.52, 1,004,418.36 and 401,159.12 is: 553,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,834.52 : 1,004,418.36 = 401,159.12 : x
  2. Step 2: Convert to fraction form
    727,834.52/1,004,418.36 = 401,159.12/x
  3. Step 3: Cross multiply
    727,834.52x = 1,004,418.36 × 401,159.12
  4. Step 4: Simplify right side
    727,834.52x = 402,931,585,409.44
  5. Step 5: Solve for x
    x = 402,931,585,409.44/727,834.52
  6. Step 6: Final answer
    x = 553,603.29

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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.