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Finding the Fourth Proportional to 561,567, 774,950.96 and 306,920.04

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Solution

The fourth proportional to 561,567, 774,950.96 and 306,920.04 is: 423,543.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,567 : 774,950.96 = 306,920.04 : x
  2. Step 2: Convert to fraction form
    561,567/774,950.96 = 306,920.04/x
  3. Step 3: Cross multiply
    561,567x = 774,950.96 × 306,920.04
  4. Step 4: Simplify right side
    561,567x = 237,847,979,641.24
  5. Step 5: Solve for x
    x = 237,847,979,641.24/561,567
  6. Step 6: Final answer
    x = 423,543.37

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1.5x scale

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.