Home / 459,799.38-634,610.95-304,476.90

Finding the Fourth Proportional to 459,799.38, 634,610.95 and 304,476.90

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Solution

The fourth proportional to 459,799.38, 634,610.95 and 304,476.90 is: 420,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,799.38 : 634,610.95 = 304,476.90 : x
  2. Step 2: Convert to fraction form
    459,799.38/634,610.95 = 304,476.90/x
  3. Step 3: Cross multiply
    459,799.38x = 634,610.95 × 304,476.90
  4. Step 4: Simplify right side
    459,799.38x = 193,224,374,762.06
  5. Step 5: Solve for x
    x = 193,224,374,762.06/459,799.38
  6. Step 6: Final answer
    x = 420,236.27

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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.