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Finding the Fourth Proportional to 533,073.21, 735,569.95 and 342,344.94

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Solution

The fourth proportional to 533,073.21, 735,569.95 and 342,344.94 is: 472,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,073.21 : 735,569.95 = 342,344.94 : x
  2. Step 2: Convert to fraction form
    533,073.21/735,569.95 = 342,344.94/x
  3. Step 3: Cross multiply
    533,073.21x = 735,569.95 × 342,344.94
  4. Step 4: Simplify right side
    533,073.21x = 251,818,650,398.55
  5. Step 5: Solve for x
    x = 251,818,650,398.55/533,073.21
  6. Step 6: Final answer
    x = 472,390.37

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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.