Home / 914,381.60-1,261,750.38-506,472.48

Finding the Fourth Proportional to 914,381.60, 1,261,750.38 and 506,472.48

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Solution

The fourth proportional to 914,381.60, 1,261,750.38 and 506,472.48 is: 698,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,381.60 : 1,261,750.38 = 506,472.48 : x
  2. Step 2: Convert to fraction form
    914,381.60/1,261,750.38 = 506,472.48/x
  3. Step 3: Cross multiply
    914,381.60x = 1,261,750.38 × 506,472.48
  4. Step 4: Simplify right side
    914,381.60x = 639,041,844,099.54
  5. Step 5: Solve for x
    x = 639,041,844,099.54/914,381.60
  6. Step 6: Final answer
    x = 698,878.72

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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.