Home / 728,306.59-1,093,133.63-368,730.07

Finding the Fourth Proportional to 728,306.59, 1,093,133.63 and 368,730.07

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Solution

The fourth proportional to 728,306.59, 1,093,133.63 and 368,730.07 is: 553,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,306.59 : 1,093,133.63 = 368,730.07 : x
  2. Step 2: Convert to fraction form
    728,306.59/1,093,133.63 = 368,730.07/x
  3. Step 3: Cross multiply
    728,306.59x = 1,093,133.63 × 368,730.07
  4. Step 4: Simplify right side
    728,306.59x = 403,071,242,173.02
  5. Step 5: Solve for x
    x = 403,071,242,173.02/728,306.59
  6. Step 6: Final answer
    x = 553,436.21

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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.