Home / 766,328.71-1,149,562.32-293,018.17

Finding the Fourth Proportional to 766,328.71, 1,149,562.32 and 293,018.17

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Solution

The fourth proportional to 766,328.71, 1,149,562.32 and 293,018.17 is: 439,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,328.71 : 1,149,562.32 = 293,018.17 : x
  2. Step 2: Convert to fraction form
    766,328.71/1,149,562.32 = 293,018.17/x
  3. Step 3: Cross multiply
    766,328.71x = 1,149,562.32 × 293,018.17
  4. Step 4: Simplify right side
    766,328.71x = 336,842,647,307.35
  5. Step 5: Solve for x
    x = 336,842,647,307.35/766,328.71
  6. Step 6: Final answer
    x = 439,553.74

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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.