Home / 929,403.51-1,393,994.52-255,553.29

Finding the Fourth Proportional to 929,403.51, 1,393,994.52 and 255,553.29

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Solution

The fourth proportional to 929,403.51, 1,393,994.52 and 255,553.29 is: 383,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,403.51 : 1,393,994.52 = 255,553.29 : x
  2. Step 2: Convert to fraction form
    929,403.51/1,393,994.52 = 255,553.29/x
  3. Step 3: Cross multiply
    929,403.51x = 1,393,994.52 × 255,553.29
  4. Step 4: Simplify right side
    929,403.51x = 356,239,885,827.97
  5. Step 5: Solve for x
    x = 356,239,885,827.97/929,403.51
  6. Step 6: Final answer
    x = 383,299.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.