Home / 780,663.74-1,077,613.24-508,797.76

Finding the Fourth Proportional to 780,663.74, 1,077,613.24 and 508,797.76

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Solution

The fourth proportional to 780,663.74, 1,077,613.24 and 508,797.76 is: 702,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,663.74 : 1,077,613.24 = 508,797.76 : x
  2. Step 2: Convert to fraction form
    780,663.74/1,077,613.24 = 508,797.76/x
  3. Step 3: Cross multiply
    780,663.74x = 1,077,613.24 × 508,797.76
  4. Step 4: Simplify right side
    780,663.74x = 548,287,202,658.34
  5. Step 5: Solve for x
    x = 548,287,202,658.34/780,663.74
  6. Step 6: Final answer
    x = 702,334.66

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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.