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Finding the Fourth Proportional to 867,448, 1,197,203.96 and 499,853.62

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Solution

The fourth proportional to 867,448, 1,197,203.96 and 499,853.62 is: 689,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,448 : 1,197,203.96 = 499,853.62 : x
  2. Step 2: Convert to fraction form
    867,448/1,197,203.96 = 499,853.62/x
  3. Step 3: Cross multiply
    867,448x = 1,197,203.96 × 499,853.62
  4. Step 4: Simplify right side
    867,448x = 598,426,733,284.34
  5. Step 5: Solve for x
    x = 598,426,733,284.34/867,448
  6. Step 6: Final answer
    x = 689,870.44

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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.