Home / 914,380.60-1,261,749-506,471.48

Finding the Fourth Proportional to 914,380.60, 1,261,749 and 506,471.48

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Solution

The fourth proportional to 914,380.60, 1,261,749 and 506,471.48 is: 698,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,380.60 : 1,261,749 = 506,471.48 : x
  2. Step 2: Convert to fraction form
    914,380.60/1,261,749 = 506,471.48/x
  3. Step 3: Cross multiply
    914,380.60x = 1,261,749 × 506,471.48
  4. Step 4: Simplify right side
    914,380.60x = 639,039,883,418.52
  5. Step 5: Solve for x
    x = 639,039,883,418.52/914,380.60
  6. Step 6: Final answer
    x = 698,877.34

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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.