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Finding the Fourth Proportional to 533,310.08, 735,967.98 and 291,592.82

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Solution

The fourth proportional to 533,310.08, 735,967.98 and 291,592.82 is: 402,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,310.08 : 735,967.98 = 291,592.82 : x
  2. Step 2: Convert to fraction form
    533,310.08/735,967.98 = 291,592.82/x
  3. Step 3: Cross multiply
    533,310.08x = 735,967.98 × 291,592.82
  4. Step 4: Simplify right side
    533,310.08x = 214,602,980,557.82
  5. Step 5: Solve for x
    x = 214,602,980,557.82/533,310.08
  6. Step 6: Final answer
    x = 402,398.13

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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.