Home / 903,505.80-1,246,877.10-540,859.50

Finding the Fourth Proportional to 903,505.80, 1,246,877.10 and 540,859.50

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Solution

The fourth proportional to 903,505.80, 1,246,877.10 and 540,859.50 is: 746,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,505.80 : 1,246,877.10 = 540,859.50 : x
  2. Step 2: Convert to fraction form
    903,505.80/1,246,877.10 = 540,859.50/x
  3. Step 3: Cross multiply
    903,505.80x = 1,246,877.10 × 540,859.50
  4. Step 4: Simplify right side
    903,505.80x = 674,385,324,867.45
  5. Step 5: Solve for x
    x = 674,385,324,867.45/903,505.80
  6. Step 6: Final answer
    x = 746,409.51

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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.