Home / 870,675.47-1,201,466.28-488,628.44

Finding the Fourth Proportional to 870,675.47, 1,201,466.28 and 488,628.44

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Solution

The fourth proportional to 870,675.47, 1,201,466.28 and 488,628.44 is: 674,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,675.47 : 1,201,466.28 = 488,628.44 : x
  2. Step 2: Convert to fraction form
    870,675.47/1,201,466.28 = 488,628.44/x
  3. Step 3: Cross multiply
    870,675.47x = 1,201,466.28 × 488,628.44
  4. Step 4: Simplify right side
    870,675.47x = 587,070,594,109.00
  5. Step 5: Solve for x
    x = 587,070,594,109.00/870,675.47
  6. Step 6: Final answer
    x = 674,270.28

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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.