Home / 781,300.80-1,171,076.40-444,502.80

Finding the Fourth Proportional to 781,300.80, 1,171,076.40 and 444,502.80

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Solution

The fourth proportional to 781,300.80, 1,171,076.40 and 444,502.80 is: 666,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,300.80 : 1,171,076.40 = 444,502.80 : x
  2. Step 2: Convert to fraction form
    781,300.80/1,171,076.40 = 444,502.80/x
  3. Step 3: Cross multiply
    781,300.80x = 1,171,076.40 × 444,502.80
  4. Step 4: Simplify right side
    781,300.80x = 520,546,738,813.92
  5. Step 5: Solve for x
    x = 520,546,738,813.92/781,300.80
  6. Step 6: Final answer
    x = 666,256.50

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1.5x scale

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.