Home / 497,849.76-687,014.36-271,490.40

Finding the Fourth Proportional to 497,849.76, 687,014.36 and 271,490.40

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Solution

The fourth proportional to 497,849.76, 687,014.36 and 271,490.40 is: 374,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,849.76 : 687,014.36 = 271,490.40 : x
  2. Step 2: Convert to fraction form
    497,849.76/687,014.36 = 271,490.40/x
  3. Step 3: Cross multiply
    497,849.76x = 687,014.36 × 271,490.40
  4. Step 4: Simplify right side
    497,849.76x = 186,517,803,402.14
  5. Step 5: Solve for x
    x = 186,517,803,402.14/497,849.76
  6. Step 6: Final answer
    x = 374,646.77

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1.5x scale

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.