Home / 730,296.50-1,007,790.59-408,009.02

Finding the Fourth Proportional to 730,296.50, 1,007,790.59 and 408,009.02

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Solution

The fourth proportional to 730,296.50, 1,007,790.59 and 408,009.02 is: 563,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,296.50 : 1,007,790.59 = 408,009.02 : x
  2. Step 2: Convert to fraction form
    730,296.50/1,007,790.59 = 408,009.02/x
  3. Step 3: Cross multiply
    730,296.50x = 1,007,790.59 × 408,009.02
  4. Step 4: Simplify right side
    730,296.50x = 411,187,646,972.19
  5. Step 5: Solve for x
    x = 411,187,646,972.19/730,296.50
  6. Step 6: Final answer
    x = 563,042.07

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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.