Home / 634,890.42-876,146.37-348,415.26

Finding the Fourth Proportional to 634,890.42, 876,146.37 and 348,415.26

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Solution

The fourth proportional to 634,890.42, 876,146.37 and 348,415.26 is: 480,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,890.42 : 876,146.37 = 348,415.26 : x
  2. Step 2: Convert to fraction form
    634,890.42/876,146.37 = 348,415.26/x
  3. Step 3: Cross multiply
    634,890.42x = 876,146.37 × 348,415.26
  4. Step 4: Simplify right side
    634,890.42x = 305,262,765,301.61
  5. Step 5: Solve for x
    x = 305,262,765,301.61/634,890.42
  6. Step 6: Final answer
    x = 480,811.74

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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.