Home / 959,374.05-1,439,041.31-319,724.23

Finding the Fourth Proportional to 959,374.05, 1,439,041.31 and 319,724.23

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Solution

The fourth proportional to 959,374.05, 1,439,041.31 and 319,724.23 is: 479,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,374.05 : 1,439,041.31 = 319,724.23 : x
  2. Step 2: Convert to fraction form
    959,374.05/1,439,041.31 = 319,724.23/x
  3. Step 3: Cross multiply
    959,374.05x = 1,439,041.31 × 319,724.23
  4. Step 4: Simplify right side
    959,374.05x = 460,096,367,582.74
  5. Step 5: Solve for x
    x = 460,096,367,582.74/959,374.05
  6. Step 6: Final answer
    x = 479,579.75

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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.