Home / 870,670.97-1,201,460.02-488,623.94

Finding the Fourth Proportional to 870,670.97, 1,201,460.02 and 488,623.94

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Solution

The fourth proportional to 870,670.97, 1,201,460.02 and 488,623.94 is: 674,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,670.97 : 1,201,460.02 = 488,623.94 : x
  2. Step 2: Convert to fraction form
    870,670.97/1,201,460.02 = 488,623.94/x
  3. Step 3: Cross multiply
    870,670.97x = 1,201,460.02 × 488,623.94
  4. Step 4: Simplify right side
    870,670.97x = 587,062,128,724.88
  5. Step 5: Solve for x
    x = 587,062,128,724.88/870,670.97
  6. Step 6: Final answer
    x = 674,264.04

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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.