Home / 678,370.95-1,017,261.18-341,201.16

Finding the Fourth Proportional to 678,370.95, 1,017,261.18 and 341,201.16

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Solution

The fourth proportional to 678,370.95, 1,017,261.18 and 341,201.16 is: 511,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,370.95 : 1,017,261.18 = 341,201.16 : x
  2. Step 2: Convert to fraction form
    678,370.95/1,017,261.18 = 341,201.16/x
  3. Step 3: Cross multiply
    678,370.95x = 1,017,261.18 × 341,201.16
  4. Step 4: Simplify right side
    678,370.95x = 347,090,694,638.97
  5. Step 5: Solve for x
    x = 347,090,694,638.97/678,370.95
  6. Step 6: Final answer
    x = 511,653.24

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Double scale
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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.