Home / 949,082.10-1,309,733.16-519,362.12

Finding the Fourth Proportional to 949,082.10, 1,309,733.16 and 519,362.12

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Solution

The fourth proportional to 949,082.10, 1,309,733.16 and 519,362.12 is: 716,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,082.10 : 1,309,733.16 = 519,362.12 : x
  2. Step 2: Convert to fraction form
    949,082.10/1,309,733.16 = 519,362.12/x
  3. Step 3: Cross multiply
    949,082.10x = 1,309,733.16 × 519,362.12
  4. Step 4: Simplify right side
    949,082.10x = 680,225,784,063.23
  5. Step 5: Solve for x
    x = 680,225,784,063.23/949,082.10
  6. Step 6: Final answer
    x = 716,719.64

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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.