Home / 949,049.70-1,309,688.34-519,329.70

Finding the Fourth Proportional to 949,049.70, 1,309,688.34 and 519,329.70

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Solution

The fourth proportional to 949,049.70, 1,309,688.34 and 519,329.70 is: 716,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,049.70 : 1,309,688.34 = 519,329.70 : x
  2. Step 2: Convert to fraction form
    949,049.70/1,309,688.34 = 519,329.70/x
  3. Step 3: Cross multiply
    949,049.70x = 1,309,688.34 × 519,329.70
  4. Step 4: Simplify right side
    949,049.70x = 680,160,052,705.70
  5. Step 5: Solve for x
    x = 680,160,052,705.70/949,049.70
  6. Step 6: Final answer
    x = 716,674.85

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Double scale
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1.5x scale

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.