Home / 947,827.28-1,421,830-348,799.84

Finding the Fourth Proportional to 947,827.28, 1,421,830 and 348,799.84

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Solution

The fourth proportional to 947,827.28, 1,421,830 and 348,799.84 is: 523,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,827.28 : 1,421,830 = 348,799.84 : x
  2. Step 2: Convert to fraction form
    947,827.28/1,421,830 = 348,799.84/x
  3. Step 3: Cross multiply
    947,827.28x = 1,421,830 × 348,799.84
  4. Step 4: Simplify right side
    947,827.28x = 495,934,076,507.20
  5. Step 5: Solve for x
    x = 495,934,076,507.20/947,827.28
  6. Step 6: Final answer
    x = 523,232.54

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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.