Home / 870,977.96-1,202,008.68-483,837.56

Finding the Fourth Proportional to 870,977.96, 1,202,008.68 and 483,837.56

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Solution

The fourth proportional to 870,977.96, 1,202,008.68 and 483,837.56 is: 667,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,977.96 : 1,202,008.68 = 483,837.56 : x
  2. Step 2: Convert to fraction form
    870,977.96/1,202,008.68 = 483,837.56/x
  3. Step 3: Cross multiply
    870,977.96x = 1,202,008.68 × 483,837.56
  4. Step 4: Simplify right side
    870,977.96x = 581,576,946,830.02
  5. Step 5: Solve for x
    x = 581,576,946,830.02/870,977.96
  6. Step 6: Final answer
    x = 667,728.66

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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.