Home / 480,646.98-721,403.82-256,194.36

Finding the Fourth Proportional to 480,646.98, 721,403.82 and 256,194.36

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Solution

The fourth proportional to 480,646.98, 721,403.82 and 256,194.36 is: 384,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,646.98 : 721,403.82 = 256,194.36 : x
  2. Step 2: Convert to fraction form
    480,646.98/721,403.82 = 256,194.36/x
  3. Step 3: Cross multiply
    480,646.98x = 721,403.82 × 256,194.36
  4. Step 4: Simplify right side
    480,646.98x = 184,819,589,966.46
  5. Step 5: Solve for x
    x = 184,819,589,966.46/480,646.98
  6. Step 6: Final answer
    x = 384,522.52

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1.5x scale

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.