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Finding the Fourth Proportional to 962,793.93, 1,328,697.15 and 533,074.05

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Solution

The fourth proportional to 962,793.93, 1,328,697.15 and 533,074.05 is: 735,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,793.93 : 1,328,697.15 = 533,074.05 : x
  2. Step 2: Convert to fraction form
    962,793.93/1,328,697.15 = 533,074.05/x
  3. Step 3: Cross multiply
    962,793.93x = 1,328,697.15 × 533,074.05
  4. Step 4: Simplify right side
    962,793.93x = 708,293,970,973.96
  5. Step 5: Solve for x
    x = 708,293,970,973.96/962,793.93
  6. Step 6: Final answer
    x = 735,665.18

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Double scale
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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.