Home / 872,509.13-1,308,780.09-273,457.04

Finding the Fourth Proportional to 872,509.13, 1,308,780.09 and 273,457.04

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Solution

The fourth proportional to 872,509.13, 1,308,780.09 and 273,457.04 is: 410,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,509.13 : 1,308,780.09 = 273,457.04 : x
  2. Step 2: Convert to fraction form
    872,509.13/1,308,780.09 = 273,457.04/x
  3. Step 3: Cross multiply
    872,509.13x = 1,308,780.09 × 273,457.04
  4. Step 4: Simplify right side
    872,509.13x = 357,895,129,422.33
  5. Step 5: Solve for x
    x = 357,895,129,422.33/872,509.13
  6. Step 6: Final answer
    x = 410,190.70

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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.