Home / 629,302.77-868,443.78-357,376.32

Finding the Fourth Proportional to 629,302.77, 868,443.78 and 357,376.32

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Solution

The fourth proportional to 629,302.77, 868,443.78 and 357,376.32 is: 493,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,302.77 : 868,443.78 = 357,376.32 : x
  2. Step 2: Convert to fraction form
    629,302.77/868,443.78 = 357,376.32/x
  3. Step 3: Cross multiply
    629,302.77x = 868,443.78 × 357,376.32
  4. Step 4: Simplify right side
    629,302.77x = 310,361,242,223.29
  5. Step 5: Solve for x
    x = 310,361,242,223.29/629,302.77
  6. Step 6: Final answer
    x = 493,182.70

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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.