Home / 629,758.07-869,033.35-357,788.22

Finding the Fourth Proportional to 629,758.07, 869,033.35 and 357,788.22

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Solution

The fourth proportional to 629,758.07, 869,033.35 and 357,788.22 is: 493,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,758.07 : 869,033.35 = 357,788.22 : x
  2. Step 2: Convert to fraction form
    629,758.07/869,033.35 = 357,788.22/x
  3. Step 3: Cross multiply
    629,758.07x = 869,033.35 × 357,788.22
  4. Step 4: Simplify right side
    629,758.07x = 310,929,895,417.14
  5. Step 5: Solve for x
    x = 310,929,895,417.14/629,758.07
  6. Step 6: Final answer
    x = 493,729.12

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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.