Home / 885,718.77-1,328,789.04-286,680.03

Finding the Fourth Proportional to 885,718.77, 1,328,789.04 and 286,680.03

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Solution

The fourth proportional to 885,718.77, 1,328,789.04 and 286,680.03 is: 430,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,718.77 : 1,328,789.04 = 286,680.03 : x
  2. Step 2: Convert to fraction form
    885,718.77/1,328,789.04 = 286,680.03/x
  3. Step 3: Cross multiply
    885,718.77x = 1,328,789.04 × 286,680.03
  4. Step 4: Simplify right side
    885,718.77x = 380,937,281,850.87
  5. Step 5: Solve for x
    x = 380,937,281,850.87/885,718.77
  6. Step 6: Final answer
    x = 430,088.30

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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.