Home / 949,039.66-1,309,674.71-519,319.77

Finding the Fourth Proportional to 949,039.66, 1,309,674.71 and 519,319.77

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Solution

The fourth proportional to 949,039.66, 1,309,674.71 and 519,319.77 is: 716,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,039.66 : 1,309,674.71 = 519,319.77 : x
  2. Step 2: Convert to fraction form
    949,039.66/1,309,674.71 = 519,319.77/x
  3. Step 3: Cross multiply
    949,039.66x = 1,309,674.71 × 519,319.77
  4. Step 4: Simplify right side
    949,039.66x = 680,139,966,575.42
  5. Step 5: Solve for x
    x = 680,139,966,575.42/949,039.66
  6. Step 6: Final answer
    x = 716,661.27

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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.