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Finding the Fourth Proportional to 629,627.07, 868,908.80 and 357,741.06

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Solution

The fourth proportional to 629,627.07, 868,908.80 and 357,741.06 is: 493,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,627.07 : 868,908.80 = 357,741.06 : x
  2. Step 2: Convert to fraction form
    629,627.07/868,908.80 = 357,741.06/x
  3. Step 3: Cross multiply
    629,627.07x = 868,908.80 × 357,741.06
  4. Step 4: Simplify right side
    629,627.07x = 310,844,355,155.33
  5. Step 5: Solve for x
    x = 310,844,355,155.33/629,627.07
  6. Step 6: Final answer
    x = 493,695.98

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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.