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Finding the Fourth Proportional to 566,441.42, 781,597.69 and 324,679.50

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Solution

The fourth proportional to 566,441.42, 781,597.69 and 324,679.50 is: 448,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,441.42 : 781,597.69 = 324,679.50 : x
  2. Step 2: Convert to fraction form
    566,441.42/781,597.69 = 324,679.50/x
  3. Step 3: Cross multiply
    566,441.42x = 781,597.69 × 324,679.50
  4. Step 4: Simplify right side
    566,441.42x = 253,768,746,378.66
  5. Step 5: Solve for x
    x = 253,768,746,378.66/566,441.42
  6. Step 6: Final answer
    x = 448,005.28

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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.