Home / 903,633.90-1,354,731.56-447,904.42

Finding the Fourth Proportional to 903,633.90, 1,354,731.56 and 447,904.42

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Solution

The fourth proportional to 903,633.90, 1,354,731.56 and 447,904.42 is: 671,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,633.90 : 1,354,731.56 = 447,904.42 : x
  2. Step 2: Convert to fraction form
    903,633.90/1,354,731.56 = 447,904.42/x
  3. Step 3: Cross multiply
    903,633.90x = 1,354,731.56 × 447,904.42
  4. Step 4: Simplify right side
    903,633.90x = 606,790,253,637.50
  5. Step 5: Solve for x
    x = 606,790,253,637.50/903,633.90
  6. Step 6: Final answer
    x = 671,500.10

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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.