Home / 629,298.77-868,438.26-357,372.32

Finding the Fourth Proportional to 629,298.77, 868,438.26 and 357,372.32

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Solution

The fourth proportional to 629,298.77, 868,438.26 and 357,372.32 is: 493,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,298.77 : 868,438.26 = 357,372.32 : x
  2. Step 2: Convert to fraction form
    629,298.77/868,438.26 = 357,372.32/x
  3. Step 3: Cross multiply
    629,298.77x = 868,438.26 × 357,372.32
  4. Step 4: Simplify right side
    629,298.77x = 310,355,791,410.77
  5. Step 5: Solve for x
    x = 310,355,791,410.77/629,298.77
  6. Step 6: Final answer
    x = 493,177.18

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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.