Home / 870,564.72-1,201,438.83-483,400.14

Finding the Fourth Proportional to 870,564.72, 1,201,438.83 and 483,400.14

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Solution

The fourth proportional to 870,564.72, 1,201,438.83 and 483,400.14 is: 667,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,564.72 : 1,201,438.83 = 483,400.14 : x
  2. Step 2: Convert to fraction form
    870,564.72/1,201,438.83 = 483,400.14/x
  3. Step 3: Cross multiply
    870,564.72x = 1,201,438.83 × 483,400.14
  4. Step 4: Simplify right side
    870,564.72x = 580,775,698,623.44
  5. Step 5: Solve for x
    x = 580,775,698,623.44/870,564.72
  6. Step 6: Final answer
    x = 667,125.24

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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.