Home / 903,691.48-1,354,655.86-430,249.72

Finding the Fourth Proportional to 903,691.48, 1,354,655.86 and 430,249.72

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Solution

The fourth proportional to 903,691.48, 1,354,655.86 and 430,249.72 is: 644,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,691.48 : 1,354,655.86 = 430,249.72 : x
  2. Step 2: Convert to fraction form
    903,691.48/1,354,655.86 = 430,249.72/x
  3. Step 3: Cross multiply
    903,691.48x = 1,354,655.86 × 430,249.72
  4. Step 4: Simplify right side
    903,691.48x = 582,840,304,461.36
  5. Step 5: Solve for x
    x = 582,840,304,461.36/903,691.48
  6. Step 6: Final answer
    x = 644,954.96

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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.