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Finding the Fourth Proportional to 522,360, 783,539.91 and 344,825.40

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Solution

The fourth proportional to 522,360, 783,539.91 and 344,825.40 is: 517,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,360 : 783,539.91 = 344,825.40 : x
  2. Step 2: Convert to fraction form
    522,360/783,539.91 = 344,825.40/x
  3. Step 3: Cross multiply
    522,360x = 783,539.91 × 344,825.40
  4. Step 4: Simplify right side
    522,360x = 270,184,462,881.71
  5. Step 5: Solve for x
    x = 270,184,462,881.71/522,360
  6. Step 6: Final answer
    x = 517,238.04

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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.