Home / 914,350.83-1,371,591.98-315,303.36

Finding the Fourth Proportional to 914,350.83, 1,371,591.98 and 315,303.36

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Solution

The fourth proportional to 914,350.83, 1,371,591.98 and 315,303.36 is: 472,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,350.83 : 1,371,591.98 = 315,303.36 : x
  2. Step 2: Convert to fraction form
    914,350.83/1,371,591.98 = 315,303.36/x
  3. Step 3: Cross multiply
    914,350.83x = 1,371,591.98 × 315,303.36
  4. Step 4: Simplify right side
    914,350.83x = 432,467,559,843.05
  5. Step 5: Solve for x
    x = 432,467,559,843.05/914,350.83
  6. Step 6: Final answer
    x = 472,977.71

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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.