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Finding the Fourth Proportional to 688,447.62, 950,054.64 and 382,573.80

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Solution

The fourth proportional to 688,447.62, 950,054.64 and 382,573.80 is: 527,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,447.62 : 950,054.64 = 382,573.80 : x
  2. Step 2: Convert to fraction form
    688,447.62/950,054.64 = 382,573.80/x
  3. Step 3: Cross multiply
    688,447.62x = 950,054.64 × 382,573.80
  4. Step 4: Simplify right side
    688,447.62x = 363,466,013,832.43
  5. Step 5: Solve for x
    x = 363,466,013,832.43/688,447.62
  6. Step 6: Final answer
    x = 527,950.13

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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.