Home / 922,970.10-1,385,074.35-323,930.10

Finding the Fourth Proportional to 922,970.10, 1,385,074.35 and 323,930.10

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Solution

The fourth proportional to 922,970.10, 1,385,074.35 and 323,930.10 is: 486,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,970.10 : 1,385,074.35 = 323,930.10 : x
  2. Step 2: Convert to fraction form
    922,970.10/1,385,074.35 = 323,930.10/x
  3. Step 3: Cross multiply
    922,970.10x = 1,385,074.35 × 323,930.10
  4. Step 4: Simplify right side
    922,970.10x = 448,667,272,702.94
  5. Step 5: Solve for x
    x = 448,667,272,702.94/922,970.10
  6. Step 6: Final answer
    x = 486,112.47

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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.