Home / 829,220.88-1,243,827.08-323,833.18

Finding the Fourth Proportional to 829,220.88, 1,243,827.08 and 323,833.18

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Solution

The fourth proportional to 829,220.88, 1,243,827.08 and 323,833.18 is: 485,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,220.88 : 1,243,827.08 = 323,833.18 : x
  2. Step 2: Convert to fraction form
    829,220.88/1,243,827.08 = 323,833.18/x
  3. Step 3: Cross multiply
    829,220.88x = 1,243,827.08 × 323,833.18
  4. Step 4: Simplify right side
    829,220.88x = 402,792,478,686.51
  5. Step 5: Solve for x
    x = 402,792,478,686.51/829,220.88
  6. Step 6: Final answer
    x = 485,748.11

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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.