Home / 842,549.40-1,263,824.10-505,970.10

Finding the Fourth Proportional to 842,549.40, 1,263,824.10 and 505,970.10

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Solution

The fourth proportional to 842,549.40, 1,263,824.10 and 505,970.10 is: 758,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,549.40 : 1,263,824.10 = 505,970.10 : x
  2. Step 2: Convert to fraction form
    842,549.40/1,263,824.10 = 505,970.10/x
  3. Step 3: Cross multiply
    842,549.40x = 1,263,824.10 × 505,970.10
  4. Step 4: Simplify right side
    842,549.40x = 639,457,206,259.41
  5. Step 5: Solve for x
    x = 639,457,206,259.41/842,549.40
  6. Step 6: Final answer
    x = 758,955.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.