Home / 758,940.30-1,139,722.65-404,646.30

Finding the Fourth Proportional to 758,940.30, 1,139,722.65 and 404,646.30

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Solution

The fourth proportional to 758,940.30, 1,139,722.65 and 404,646.30 is: 607,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,940.30 : 1,139,722.65 = 404,646.30 : x
  2. Step 2: Convert to fraction form
    758,940.30/1,139,722.65 = 404,646.30/x
  3. Step 3: Cross multiply
    758,940.30x = 1,139,722.65 × 404,646.30
  4. Step 4: Simplify right side
    758,940.30x = 461,184,553,348.70
  5. Step 5: Solve for x
    x = 461,184,553,348.70/758,940.30
  6. Step 6: Final answer
    x = 607,669.08

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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.