Home / 985,370.94-1,359,858.57-555,641.85

Finding the Fourth Proportional to 985,370.94, 1,359,858.57 and 555,641.85

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Solution

The fourth proportional to 985,370.94, 1,359,858.57 and 555,641.85 is: 766,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,370.94 : 1,359,858.57 = 555,641.85 : x
  2. Step 2: Convert to fraction form
    985,370.94/1,359,858.57 = 555,641.85/x
  3. Step 3: Cross multiply
    985,370.94x = 1,359,858.57 × 555,641.85
  4. Step 4: Simplify right side
    985,370.94x = 755,594,331,573.16
  5. Step 5: Solve for x
    x = 755,594,331,573.16/985,370.94
  6. Step 6: Final answer
    x = 766,812.07

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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.