Home / 758,056.36-1,046,209.52-431,448.79

Finding the Fourth Proportional to 758,056.36, 1,046,209.52 and 431,448.79

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Solution

The fourth proportional to 758,056.36, 1,046,209.52 and 431,448.79 is: 595,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,056.36 : 1,046,209.52 = 431,448.79 : x
  2. Step 2: Convert to fraction form
    758,056.36/1,046,209.52 = 431,448.79/x
  3. Step 3: Cross multiply
    758,056.36x = 1,046,209.52 × 431,448.79
  4. Step 4: Simplify right side
    758,056.36x = 451,385,831,490.48
  5. Step 5: Solve for x
    x = 451,385,831,490.48/758,056.36
  6. Step 6: Final answer
    x = 595,451.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.