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Finding the Fourth Proportional to 531,362.61, 796,897.98 and 317,962.44

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Solution

The fourth proportional to 531,362.61, 796,897.98 and 317,962.44 is: 476,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,362.61 : 796,897.98 = 317,962.44 : x
  2. Step 2: Convert to fraction form
    531,362.61/796,897.98 = 317,962.44/x
  3. Step 3: Cross multiply
    531,362.61x = 796,897.98 × 317,962.44
  4. Step 4: Simplify right side
    531,362.61x = 253,383,626,151.87
  5. Step 5: Solve for x
    x = 253,383,626,151.87/531,362.61
  6. Step 6: Final answer
    x = 476,856.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.