Home / 870,894.08-1,201,823.28-488,911.04

Finding the Fourth Proportional to 870,894.08, 1,201,823.28 and 488,911.04

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Solution

The fourth proportional to 870,894.08, 1,201,823.28 and 488,911.04 is: 674,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,894.08 : 1,201,823.28 = 488,911.04 : x
  2. Step 2: Convert to fraction form
    870,894.08/1,201,823.28 = 488,911.04/x
  3. Step 3: Cross multiply
    870,894.08x = 1,201,823.28 × 488,911.04
  4. Step 4: Simplify right side
    870,894.08x = 587,584,669,721.01
  5. Step 5: Solve for x
    x = 587,584,669,721.01/870,894.08
  6. Step 6: Final answer
    x = 674,691.31

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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.