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Finding the Fourth Proportional to 522,317.57, 783,476.60 and 344,783.07

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Solution

The fourth proportional to 522,317.57, 783,476.60 and 344,783.07 is: 517,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,317.57 : 783,476.60 = 344,783.07 : x
  2. Step 2: Convert to fraction form
    522,317.57/783,476.60 = 344,783.07/x
  3. Step 3: Cross multiply
    522,317.57x = 783,476.60 × 344,783.07
  4. Step 4: Simplify right side
    522,317.57x = 270,129,465,697.25
  5. Step 5: Solve for x
    x = 270,129,465,697.25/522,317.57
  6. Step 6: Final answer
    x = 517,174.77

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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.