Home / 522,828.07-720,926.43-361,402.87

Finding the Fourth Proportional to 522,828.07, 720,926.43 and 361,402.87

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Solution

The fourth proportional to 522,828.07, 720,926.43 and 361,402.87 is: 498,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,828.07 : 720,926.43 = 361,402.87 : x
  2. Step 2: Convert to fraction form
    522,828.07/720,926.43 = 361,402.87/x
  3. Step 3: Cross multiply
    522,828.07x = 720,926.43 × 361,402.87
  4. Step 4: Simplify right side
    522,828.07x = 260,544,880,860.85
  5. Step 5: Solve for x
    x = 260,544,880,860.85/522,828.07
  6. Step 6: Final answer
    x = 498,337.59

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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.