Home / 634,872.04-876,134.16-348,418.80

Finding the Fourth Proportional to 634,872.04, 876,134.16 and 348,418.80

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Solution

The fourth proportional to 634,872.04, 876,134.16 and 348,418.80 is: 480,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,872.04 : 876,134.16 = 348,418.80 : x
  2. Step 2: Convert to fraction form
    634,872.04/876,134.16 = 348,418.80/x
  3. Step 3: Cross multiply
    634,872.04x = 876,134.16 × 348,418.80
  4. Step 4: Simplify right side
    634,872.04x = 305,261,612,666.21
  5. Step 5: Solve for x
    x = 305,261,612,666.21/634,872.04
  6. Step 6: Final answer
    x = 480,823.84

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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.