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Finding the Fourth Proportional to 530,222.34, 731,700.99 and 315,357.66

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Solution

The fourth proportional to 530,222.34, 731,700.99 and 315,357.66 is: 435,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,222.34 : 731,700.99 = 315,357.66 : x
  2. Step 2: Convert to fraction form
    530,222.34/731,700.99 = 315,357.66/x
  3. Step 3: Cross multiply
    530,222.34x = 731,700.99 × 315,357.66
  4. Step 4: Simplify right side
    530,222.34x = 230,747,512,026.08
  5. Step 5: Solve for x
    x = 230,747,512,026.08/530,222.34
  6. Step 6: Final answer
    x = 435,190.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.