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Finding the Fourth Proportional to 664,254.84, 996,913.62 and 348,897.72

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Solution

The fourth proportional to 664,254.84, 996,913.62 and 348,897.72 is: 523,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,254.84 : 996,913.62 = 348,897.72 : x
  2. Step 2: Convert to fraction form
    664,254.84/996,913.62 = 348,897.72/x
  3. Step 3: Cross multiply
    664,254.84x = 996,913.62 × 348,897.72
  4. Step 4: Simplify right side
    664,254.84x = 347,820,889,054.95
  5. Step 5: Solve for x
    x = 347,820,889,054.95/664,254.84
  6. Step 6: Final answer
    x = 523,625.68

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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.