Home / 870,669.41-1,201,457.86-488,622.38

Finding the Fourth Proportional to 870,669.41, 1,201,457.86 and 488,622.38

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Solution

The fourth proportional to 870,669.41, 1,201,457.86 and 488,622.38 is: 674,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,669.41 : 1,201,457.86 = 488,622.38 : x
  2. Step 2: Convert to fraction form
    870,669.41/1,201,457.86 = 488,622.38/x
  3. Step 3: Cross multiply
    870,669.41x = 1,201,457.86 × 488,622.38
  4. Step 4: Simplify right side
    870,669.41x = 587,059,194,542.56
  5. Step 5: Solve for x
    x = 587,059,194,542.56/870,669.41
  6. Step 6: Final answer
    x = 674,261.89

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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.