Home / 870,971.60-1,306,644.08-302,370.77

Finding the Fourth Proportional to 870,971.60, 1,306,644.08 and 302,370.77

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Solution

The fourth proportional to 870,971.60, 1,306,644.08 and 302,370.77 is: 453,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,971.60 : 1,306,644.08 = 302,370.77 : x
  2. Step 2: Convert to fraction form
    870,971.60/1,306,644.08 = 302,370.77/x
  3. Step 3: Cross multiply
    870,971.60x = 1,306,644.08 × 302,370.77
  4. Step 4: Simplify right side
    870,971.60x = 395,090,978,340.30
  5. Step 5: Solve for x
    x = 395,090,978,340.30/870,971.60
  6. Step 6: Final answer
    x = 453,620.96

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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.