Home / 914,504.55-1,262,016.05-506,632.87

Finding the Fourth Proportional to 914,504.55, 1,262,016.05 and 506,632.87

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Solution

The fourth proportional to 914,504.55, 1,262,016.05 and 506,632.87 is: 699,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,504.55 : 1,262,016.05 = 506,632.87 : x
  2. Step 2: Convert to fraction form
    914,504.55/1,262,016.05 = 506,632.87/x
  3. Step 3: Cross multiply
    914,504.55x = 1,262,016.05 × 506,632.87
  4. Step 4: Simplify right side
    914,504.55x = 639,378,813,397.56
  5. Step 5: Solve for x
    x = 639,378,813,397.56/914,504.55
  6. Step 6: Final answer
    x = 699,153.24

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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.