Home / 816,954.02-1,127,317.58-472,721.30

Finding the Fourth Proportional to 816,954.02, 1,127,317.58 and 472,721.30

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Solution

The fourth proportional to 816,954.02, 1,127,317.58 and 472,721.30 is: 652,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,954.02 : 1,127,317.58 = 472,721.30 : x
  2. Step 2: Convert to fraction form
    816,954.02/1,127,317.58 = 472,721.30/x
  3. Step 3: Cross multiply
    816,954.02x = 1,127,317.58 × 472,721.30
  4. Step 4: Simplify right side
    816,954.02x = 532,907,031,930.45
  5. Step 5: Solve for x
    x = 532,907,031,930.45/816,954.02
  6. Step 6: Final answer
    x = 652,309.70

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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.