Home / 903,834.04-1,247,401.58-521,860.18

Finding the Fourth Proportional to 903,834.04, 1,247,401.58 and 521,860.18

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Solution

The fourth proportional to 903,834.04, 1,247,401.58 and 521,860.18 is: 720,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,834.04 : 1,247,401.58 = 521,860.18 : x
  2. Step 2: Convert to fraction form
    903,834.04/1,247,401.58 = 521,860.18/x
  3. Step 3: Cross multiply
    903,834.04x = 1,247,401.58 × 521,860.18
  4. Step 4: Simplify right side
    903,834.04x = 650,969,213,071.09
  5. Step 5: Solve for x
    x = 650,969,213,071.09/903,834.04
  6. Step 6: Final answer
    x = 720,230.91

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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.