Home / 611,538.93-843,787.53-369,816.39

Finding the Fourth Proportional to 611,538.93, 843,787.53 and 369,816.39

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Solution

The fourth proportional to 611,538.93, 843,787.53 and 369,816.39 is: 510,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,538.93 : 843,787.53 = 369,816.39 : x
  2. Step 2: Convert to fraction form
    611,538.93/843,787.53 = 369,816.39/x
  3. Step 3: Cross multiply
    611,538.93x = 843,787.53 × 369,816.39
  4. Step 4: Simplify right side
    611,538.93x = 312,046,458,271.62
  5. Step 5: Solve for x
    x = 312,046,458,271.62/611,538.93
  6. Step 6: Final answer
    x = 510,264.26

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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.