Home / 802,006.86-1,202,925.51-422,775.66

Finding the Fourth Proportional to 802,006.86, 1,202,925.51 and 422,775.66

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Solution

The fourth proportional to 802,006.86, 1,202,925.51 and 422,775.66 is: 634,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,006.86 : 1,202,925.51 = 422,775.66 : x
  2. Step 2: Convert to fraction form
    802,006.86/1,202,925.51 = 422,775.66/x
  3. Step 3: Cross multiply
    802,006.86x = 1,202,925.51 × 422,775.66
  4. Step 4: Simplify right side
    802,006.86x = 508,567,626,421.09
  5. Step 5: Solve for x
    x = 508,567,626,421.09/802,006.86
  6. Step 6: Final answer
    x = 634,118.80

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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.