Home / 905,970.03-1,250,206.78-498,068.92

Finding the Fourth Proportional to 905,970.03, 1,250,206.78 and 498,068.92

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Solution

The fourth proportional to 905,970.03, 1,250,206.78 and 498,068.92 is: 687,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,970.03 : 1,250,206.78 = 498,068.92 : x
  2. Step 2: Convert to fraction form
    905,970.03/1,250,206.78 = 498,068.92/x
  3. Step 3: Cross multiply
    905,970.03x = 1,250,206.78 × 498,068.92
  4. Step 4: Simplify right side
    905,970.03x = 622,689,131,949.90
  5. Step 5: Solve for x
    x = 622,689,131,949.90/905,970.03
  6. Step 6: Final answer
    x = 687,317.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.