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Finding the Fourth Proportional to 634,860.01, 876,120.20 and 348,377.59

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Solution

The fourth proportional to 634,860.01, 876,120.20 and 348,377.59 is: 480,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,860.01 : 876,120.20 = 348,377.59 : x
  2. Step 2: Convert to fraction form
    634,860.01/876,120.20 = 348,377.59/x
  3. Step 3: Cross multiply
    634,860.01x = 876,120.20 × 348,377.59
  4. Step 4: Simplify right side
    634,860.01x = 305,220,643,826.32
  5. Step 5: Solve for x
    x = 305,220,643,826.32/634,860.01
  6. Step 6: Final answer
    x = 480,768.42

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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.