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Finding the Fourth Proportional to 522,023.52, 720,496.08 and 340,764.96

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Solution

The fourth proportional to 522,023.52, 720,496.08 and 340,764.96 is: 470,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,023.52 : 720,496.08 = 340,764.96 : x
  2. Step 2: Convert to fraction form
    522,023.52/720,496.08 = 340,764.96/x
  3. Step 3: Cross multiply
    522,023.52x = 720,496.08 × 340,764.96
  4. Step 4: Simplify right side
    522,023.52x = 245,519,817,881.36
  5. Step 5: Solve for x
    x = 245,519,817,881.36/522,023.52
  6. Step 6: Final answer
    x = 470,323.29

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1.5x scale

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.