Home / 949,048.70-1,309,687.16-519,328.88

Finding the Fourth Proportional to 949,048.70, 1,309,687.16 and 519,328.88

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Solution

The fourth proportional to 949,048.70, 1,309,687.16 and 519,328.88 is: 716,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,048.70 : 1,309,687.16 = 519,328.88 : x
  2. Step 2: Convert to fraction form
    949,048.70/1,309,687.16 = 519,328.88/x
  3. Step 3: Cross multiply
    949,048.70x = 1,309,687.16 × 519,328.88
  4. Step 4: Simplify right side
    949,048.70x = 680,158,363,356.54
  5. Step 5: Solve for x
    x = 680,158,363,356.54/949,048.70
  6. Step 6: Final answer
    x = 716,673.83

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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.