Home / 947,296.32-1,421,504.64-348,677.76

Finding the Fourth Proportional to 947,296.32, 1,421,504.64 and 348,677.76

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Solution

The fourth proportional to 947,296.32, 1,421,504.64 and 348,677.76 is: 523,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,296.32 : 1,421,504.64 = 348,677.76 : x
  2. Step 2: Convert to fraction form
    947,296.32/1,421,504.64 = 348,677.76/x
  3. Step 3: Cross multiply
    947,296.32x = 1,421,504.64 × 348,677.76
  4. Step 4: Simplify right side
    947,296.32x = 495,647,053,704.81
  5. Step 5: Solve for x
    x = 495,647,053,704.81/947,296.32
  6. Step 6: Final answer
    x = 523,222.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.