Home / 634,884.18-876,150.86-348,430.92

Finding the Fourth Proportional to 634,884.18, 876,150.86 and 348,430.92

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Solution

The fourth proportional to 634,884.18, 876,150.86 and 348,430.92 is: 480,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,884.18 : 876,150.86 = 348,430.92 : x
  2. Step 2: Convert to fraction form
    634,884.18/876,150.86 = 348,430.92/x
  3. Step 3: Cross multiply
    634,884.18x = 876,150.86 × 348,430.92
  4. Step 4: Simplify right side
    634,884.18x = 305,278,048,466.44
  5. Step 5: Solve for x
    x = 305,278,048,466.44/634,884.18
  6. Step 6: Final answer
    x = 480,840.53

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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.