Home / 898,004.70-1,347,991.20-561,425.40

Finding the Fourth Proportional to 898,004.70, 1,347,991.20 and 561,425.40

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Solution

The fourth proportional to 898,004.70, 1,347,991.20 and 561,425.40 is: 842,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,004.70 : 1,347,991.20 = 561,425.40 : x
  2. Step 2: Convert to fraction form
    898,004.70/1,347,991.20 = 561,425.40/x
  3. Step 3: Cross multiply
    898,004.70x = 1,347,991.20 × 561,425.40
  4. Step 4: Simplify right side
    898,004.70x = 756,796,498,656.48
  5. Step 5: Solve for x
    x = 756,796,498,656.48/898,004.70
  6. Step 6: Final answer
    x = 842,753.38

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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.