Home / 880,376.96-1,319,382.84-480,418.40

Finding the Fourth Proportional to 880,376.96, 1,319,382.84 and 480,418.40

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Solution

The fourth proportional to 880,376.96, 1,319,382.84 and 480,418.40 is: 719,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,376.96 : 1,319,382.84 = 480,418.40 : x
  2. Step 2: Convert to fraction form
    880,376.96/1,319,382.84 = 480,418.40/x
  3. Step 3: Cross multiply
    880,376.96x = 1,319,382.84 × 480,418.40
  4. Step 4: Simplify right side
    880,376.96x = 633,855,792,980.26
  5. Step 5: Solve for x
    x = 633,855,792,980.26/880,376.96
  6. Step 6: Final answer
    x = 719,982.26

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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.