Home / 959,270.64-1,439,048.12-319,365.38

Finding the Fourth Proportional to 959,270.64, 1,439,048.12 and 319,365.38

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Solution

The fourth proportional to 959,270.64, 1,439,048.12 and 319,365.38 is: 479,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,270.64 : 1,439,048.12 = 319,365.38 : x
  2. Step 2: Convert to fraction form
    959,270.64/1,439,048.12 = 319,365.38/x
  3. Step 3: Cross multiply
    959,270.64x = 1,439,048.12 × 319,365.38
  4. Step 4: Simplify right side
    959,270.64x = 459,582,140,890.02
  5. Step 5: Solve for x
    x = 459,582,140,890.02/959,270.64
  6. Step 6: Final answer
    x = 479,095.39

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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.