Home / 949,077.45-1,309,726.98-519,357.66

Finding the Fourth Proportional to 949,077.45, 1,309,726.98 and 519,357.66

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Solution

The fourth proportional to 949,077.45, 1,309,726.98 and 519,357.66 is: 716,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,077.45 : 1,309,726.98 = 519,357.66 : x
  2. Step 2: Convert to fraction form
    949,077.45/1,309,726.98 = 519,357.66/x
  3. Step 3: Cross multiply
    949,077.45x = 1,309,726.98 × 519,357.66
  4. Step 4: Simplify right side
    949,077.45x = 680,216,739,571.67
  5. Step 5: Solve for x
    x = 680,216,739,571.67/949,077.45
  6. Step 6: Final answer
    x = 716,713.62

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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.