Home / 646,232.25-891,821.04-404,437.53

Finding the Fourth Proportional to 646,232.25, 891,821.04 and 404,437.53

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Solution

The fourth proportional to 646,232.25, 891,821.04 and 404,437.53 is: 558,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,232.25 : 891,821.04 = 404,437.53 : x
  2. Step 2: Convert to fraction form
    646,232.25/891,821.04 = 404,437.53/x
  3. Step 3: Cross multiply
    646,232.25x = 891,821.04 × 404,437.53
  4. Step 4: Simplify right side
    646,232.25x = 360,685,898,619.63
  5. Step 5: Solve for x
    x = 360,685,898,619.63/646,232.25
  6. Step 6: Final answer
    x = 558,136.64

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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.