Home / 870,669.81-1,306,508.94-365,185.80

Finding the Fourth Proportional to 870,669.81, 1,306,508.94 and 365,185.80

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Solution

The fourth proportional to 870,669.81, 1,306,508.94 and 365,185.80 is: 547,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,669.81 : 1,306,508.94 = 365,185.80 : x
  2. Step 2: Convert to fraction form
    870,669.81/1,306,508.94 = 365,185.80/x
  3. Step 3: Cross multiply
    870,669.81x = 1,306,508.94 × 365,185.80
  4. Step 4: Simplify right side
    870,669.81x = 477,118,512,461.05
  5. Step 5: Solve for x
    x = 477,118,512,461.05/870,669.81
  6. Step 6: Final answer
    x = 547,990.19

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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.