Home / 946,185.90-1,305,561.89-538,263.92

Finding the Fourth Proportional to 946,185.90, 1,305,561.89 and 538,263.92

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Solution

The fourth proportional to 946,185.90, 1,305,561.89 and 538,263.92 is: 742,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,185.90 : 1,305,561.89 = 538,263.92 : x
  2. Step 2: Convert to fraction form
    946,185.90/1,305,561.89 = 538,263.92/x
  3. Step 3: Cross multiply
    946,185.90x = 1,305,561.89 × 538,263.92
  4. Step 4: Simplify right side
    946,185.90x = 702,736,855,531.86
  5. Step 5: Solve for x
    x = 702,736,855,531.86/946,185.90
  6. Step 6: Final answer
    x = 742,704.85

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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.