Home / 900,343.70-1,242,609.09-560,921.30

Finding the Fourth Proportional to 900,343.70, 1,242,609.09 and 560,921.30

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Solution

The fourth proportional to 900,343.70, 1,242,609.09 and 560,921.30 is: 774,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,343.70 : 1,242,609.09 = 560,921.30 : x
  2. Step 2: Convert to fraction form
    900,343.70/1,242,609.09 = 560,921.30/x
  3. Step 3: Cross multiply
    900,343.70x = 1,242,609.09 × 560,921.30
  4. Step 4: Simplify right side
    900,343.70x = 697,005,906,154.62
  5. Step 5: Solve for x
    x = 697,005,906,154.62/900,343.70
  6. Step 6: Final answer
    x = 774,155.37

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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.