Home / 497,436.44-686,442.30-271,077.08

Finding the Fourth Proportional to 497,436.44, 686,442.30 and 271,077.08

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Solution

The fourth proportional to 497,436.44, 686,442.30 and 271,077.08 is: 374,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,436.44 : 686,442.30 = 271,077.08 : x
  2. Step 2: Convert to fraction form
    497,436.44/686,442.30 = 271,077.08/x
  3. Step 3: Cross multiply
    497,436.44x = 686,442.30 × 271,077.08
  4. Step 4: Simplify right side
    497,436.44x = 186,078,774,272.48
  5. Step 5: Solve for x
    x = 186,078,774,272.48/497,436.44
  6. Step 6: Final answer
    x = 374,075.48

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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.