Home / 769,051.77-1,153,824.09-538,480.93

Finding the Fourth Proportional to 769,051.77, 1,153,824.09 and 538,480.93

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Solution

The fourth proportional to 769,051.77, 1,153,824.09 and 538,480.93 is: 807,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,051.77 : 1,153,824.09 = 538,480.93 : x
  2. Step 2: Convert to fraction form
    769,051.77/1,153,824.09 = 538,480.93/x
  3. Step 3: Cross multiply
    769,051.77x = 1,153,824.09 × 538,480.93
  4. Step 4: Simplify right side
    769,051.77x = 621,312,275,710.29
  5. Step 5: Solve for x
    x = 621,312,275,710.29/769,051.77
  6. Step 6: Final answer
    x = 807,893.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.