Home / 870,790.94-1,201,731.38-483,608.13

Finding the Fourth Proportional to 870,790.94, 1,201,731.38 and 483,608.13

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Solution

The fourth proportional to 870,790.94, 1,201,731.38 and 483,608.13 is: 667,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,790.94 : 1,201,731.38 = 483,608.13 : x
  2. Step 2: Convert to fraction form
    870,790.94/1,201,731.38 = 483,608.13/x
  3. Step 3: Cross multiply
    870,790.94x = 1,201,731.38 × 483,608.13
  4. Step 4: Simplify right side
    870,790.94x = 581,167,065,444.12
  5. Step 5: Solve for x
    x = 581,167,065,444.12/870,790.94
  6. Step 6: Final answer
    x = 667,401.37

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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.