Home / 916,286.85-1,264,415.67-508,387.59

Finding the Fourth Proportional to 916,286.85, 1,264,415.67 and 508,387.59

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Solution

The fourth proportional to 916,286.85, 1,264,415.67 and 508,387.59 is: 701,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,286.85 : 1,264,415.67 = 508,387.59 : x
  2. Step 2: Convert to fraction form
    916,286.85/1,264,415.67 = 508,387.59/x
  3. Step 3: Cross multiply
    916,286.85x = 1,264,415.67 × 508,387.59
  4. Step 4: Simplify right side
    916,286.85x = 642,813,235,229.54
  5. Step 5: Solve for x
    x = 642,813,235,229.54/916,286.85
  6. Step 6: Final answer
    x = 701,541.48

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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.