Home / 870,675.49-1,201,466.23-488,628.46

Finding the Fourth Proportional to 870,675.49, 1,201,466.23 and 488,628.46

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Solution

The fourth proportional to 870,675.49, 1,201,466.23 and 488,628.46 is: 674,270.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,675.49 : 1,201,466.23 = 488,628.46 : x
  2. Step 2: Convert to fraction form
    870,675.49/1,201,466.23 = 488,628.46/x
  3. Step 3: Cross multiply
    870,675.49x = 1,201,466.23 × 488,628.46
  4. Step 4: Simplify right side
    870,675.49x = 587,070,593,706.91
  5. Step 5: Solve for x
    x = 587,070,593,706.91/870,675.49
  6. Step 6: Final answer
    x = 674,270.27

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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.