Home / 976,811.10-1,465,216.65-889,719.90

Finding the Fourth Proportional to 976,811.10, 1,465,216.65 and 889,719.90

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Solution

The fourth proportional to 976,811.10, 1,465,216.65 and 889,719.90 is: 1,334,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,811.10 : 1,465,216.65 = 889,719.90 : x
  2. Step 2: Convert to fraction form
    976,811.10/1,465,216.65 = 889,719.90/x
  3. Step 3: Cross multiply
    976,811.10x = 1,465,216.65 × 889,719.90
  4. Step 4: Simplify right side
    976,811.10x = 1,303,632,411,316.34
  5. Step 5: Solve for x
    x = 1,303,632,411,316.34/976,811.10
  6. Step 6: Final answer
    x = 1,334,579.85

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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.