Home / 530,271.20-731,781.96-288,560.72

Finding the Fourth Proportional to 530,271.20, 731,781.96 and 288,560.72

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Solution

The fourth proportional to 530,271.20, 731,781.96 and 288,560.72 is: 398,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,271.20 : 731,781.96 = 288,560.72 : x
  2. Step 2: Convert to fraction form
    530,271.20/731,781.96 = 288,560.72/x
  3. Step 3: Cross multiply
    530,271.20x = 731,781.96 × 288,560.72
  4. Step 4: Simplify right side
    530,271.20x = 211,163,529,260.61
  5. Step 5: Solve for x
    x = 211,163,529,260.61/530,271.20
  6. Step 6: Final answer
    x = 398,217.99

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