Home / 947,112.63-1,421,229.44-348,494.17

Finding the Fourth Proportional to 947,112.63, 1,421,229.44 and 348,494.17

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Solution

The fourth proportional to 947,112.63, 1,421,229.44 and 348,494.17 is: 522,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,112.63 : 1,421,229.44 = 348,494.17 : x
  2. Step 2: Convert to fraction form
    947,112.63/1,421,229.44 = 348,494.17/x
  3. Step 3: Cross multiply
    947,112.63x = 1,421,229.44 × 348,494.17
  4. Step 4: Simplify right side
    947,112.63x = 495,290,166,966.22
  5. Step 5: Solve for x
    x = 495,290,166,966.22/947,112.63
  6. Step 6: Final answer
    x = 522,947.49

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Double scale
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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.