Home / 676,823.40-1,014,774.30-256,036.20

Finding the Fourth Proportional to 676,823.40, 1,014,774.30 and 256,036.20

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Solution

The fourth proportional to 676,823.40, 1,014,774.30 and 256,036.20 is: 383,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,823.40 : 1,014,774.30 = 256,036.20 : x
  2. Step 2: Convert to fraction form
    676,823.40/1,014,774.30 = 256,036.20/x
  3. Step 3: Cross multiply
    676,823.40x = 1,014,774.30 × 256,036.20
  4. Step 4: Simplify right side
    676,823.40x = 259,818,955,629.66
  5. Step 5: Solve for x
    x = 259,818,955,629.66/676,823.40
  6. Step 6: Final answer
    x = 383,879.98

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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.