Home / 870,591.34-1,201,416.06-488,618.12

Finding the Fourth Proportional to 870,591.34, 1,201,416.06 and 488,618.12

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Solution

The fourth proportional to 870,591.34, 1,201,416.06 and 488,618.12 is: 674,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,591.34 : 1,201,416.06 = 488,618.12 : x
  2. Step 2: Convert to fraction form
    870,591.34/1,201,416.06 = 488,618.12/x
  3. Step 3: Cross multiply
    870,591.34x = 1,201,416.06 × 488,618.12
  4. Step 4: Simplify right side
    870,591.34x = 587,033,656,575.01
  5. Step 5: Solve for x
    x = 587,033,656,575.01/870,591.34
  6. Step 6: Final answer
    x = 674,293.01

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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.