Home / 395,925.96-546,589.83-309,701.76

Finding the Fourth Proportional to 395,925.96, 546,589.83 and 309,701.76

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Solution

The fourth proportional to 395,925.96, 546,589.83 and 309,701.76 is: 427,554.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,925.96 : 546,589.83 = 309,701.76 : x
  2. Step 2: Convert to fraction form
    395,925.96/546,589.83 = 309,701.76/x
  3. Step 3: Cross multiply
    395,925.96x = 546,589.83 × 309,701.76
  4. Step 4: Simplify right side
    395,925.96x = 169,279,832,349.10
  5. Step 5: Solve for x
    x = 169,279,832,349.10/395,925.96
  6. Step 6: Final answer
    x = 427,554.26

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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.