Home / 634,914.76-876,162.63-348,427.48

Finding the Fourth Proportional to 634,914.76, 876,162.63 and 348,427.48

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Solution

The fourth proportional to 634,914.76, 876,162.63 and 348,427.48 is: 480,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,914.76 : 876,162.63 = 348,427.48 : x
  2. Step 2: Convert to fraction form
    634,914.76/876,162.63 = 348,427.48/x
  3. Step 3: Cross multiply
    634,914.76x = 876,162.63 × 348,427.48
  4. Step 4: Simplify right side
    634,914.76x = 305,279,136,357.27
  5. Step 5: Solve for x
    x = 305,279,136,357.27/634,914.76
  6. Step 6: Final answer
    x = 480,819.09

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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.