Home / 758,927.30-1,139,703.15-404,633.30

Finding the Fourth Proportional to 758,927.30, 1,139,703.15 and 404,633.30

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Solution

The fourth proportional to 758,927.30, 1,139,703.15 and 404,633.30 is: 607,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,927.30 : 1,139,703.15 = 404,633.30 : x
  2. Step 2: Convert to fraction form
    758,927.30/1,139,703.15 = 404,633.30/x
  3. Step 3: Cross multiply
    758,927.30x = 1,139,703.15 × 404,633.30
  4. Step 4: Simplify right side
    758,927.30x = 461,161,846,604.90
  5. Step 5: Solve for x
    x = 461,161,846,604.90/758,927.30
  6. Step 6: Final answer
    x = 607,649.57

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1.5x scale

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.