Home / 459,512.15-634,121.12-258,308.15

Finding the Fourth Proportional to 459,512.15, 634,121.12 and 258,308.15

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Solution

The fourth proportional to 459,512.15, 634,121.12 and 258,308.15 is: 356,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,512.15 : 634,121.12 = 258,308.15 : x
  2. Step 2: Convert to fraction form
    459,512.15/634,121.12 = 258,308.15/x
  3. Step 3: Cross multiply
    459,512.15x = 634,121.12 × 258,308.15
  4. Step 4: Simplify right side
    459,512.15x = 163,798,650,858.29
  5. Step 5: Solve for x
    x = 163,798,650,858.29/459,512.15
  6. Step 6: Final answer
    x = 356,462.07

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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.