Home / 634,946.40-876,198.60-348,471.36

Finding the Fourth Proportional to 634,946.40, 876,198.60 and 348,471.36

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Solution

The fourth proportional to 634,946.40, 876,198.60 and 348,471.36 is: 480,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,946.40 : 876,198.60 = 348,471.36 : x
  2. Step 2: Convert to fraction form
    634,946.40/876,198.60 = 348,471.36/x
  3. Step 3: Cross multiply
    634,946.40x = 876,198.60 × 348,471.36
  4. Step 4: Simplify right side
    634,946.40x = 305,330,117,772.10
  5. Step 5: Solve for x
    x = 305,330,117,772.10/634,946.40
  6. Step 6: Final answer
    x = 480,875.42

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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.