Home / 459,932.20-634,705.38-258,728.20

Finding the Fourth Proportional to 459,932.20, 634,705.38 and 258,728.20

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Solution

The fourth proportional to 459,932.20, 634,705.38 and 258,728.20 is: 357,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,932.20 : 634,705.38 = 258,728.20 : x
  2. Step 2: Convert to fraction form
    459,932.20/634,705.38 = 258,728.20/x
  3. Step 3: Cross multiply
    459,932.20x = 634,705.38 × 258,728.20
  4. Step 4: Simplify right side
    459,932.20x = 164,216,180,497.72
  5. Step 5: Solve for x
    x = 164,216,180,497.72/459,932.20
  6. Step 6: Final answer
    x = 357,044.32

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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.