Home / 764,222.04-1,145,888.37-561,939.12

Finding the Fourth Proportional to 764,222.04, 1,145,888.37 and 561,939.12

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Solution

The fourth proportional to 764,222.04, 1,145,888.37 and 561,939.12 is: 842,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,222.04 : 1,145,888.37 = 561,939.12 : x
  2. Step 2: Convert to fraction form
    764,222.04/1,145,888.37 = 561,939.12/x
  3. Step 3: Cross multiply
    764,222.04x = 1,145,888.37 × 561,939.12
  4. Step 4: Simplify right side
    764,222.04x = 643,919,502,256.03
  5. Step 5: Solve for x
    x = 643,919,502,256.03/764,222.04
  6. Step 6: Final answer
    x = 842,581.70

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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.