Home / 903,641.05-1,354,742.29-447,911.56

Finding the Fourth Proportional to 903,641.05, 1,354,742.29 and 447,911.56

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Solution

The fourth proportional to 903,641.05, 1,354,742.29 and 447,911.56 is: 671,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,641.05 : 1,354,742.29 = 447,911.56 : x
  2. Step 2: Convert to fraction form
    903,641.05/1,354,742.29 = 447,911.56/x
  3. Step 3: Cross multiply
    903,641.05x = 1,354,742.29 × 447,911.56
  4. Step 4: Simplify right side
    903,641.05x = 606,804,732,511.87
  5. Step 5: Solve for x
    x = 606,804,732,511.87/903,641.05
  6. Step 6: Final answer
    x = 671,510.81

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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.