Home / 523,631.81-722,621.45-291,080.58

Finding the Fourth Proportional to 523,631.81, 722,621.45 and 291,080.58

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Solution

The fourth proportional to 523,631.81, 722,621.45 and 291,080.58 is: 401,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,631.81 : 722,621.45 = 291,080.58 : x
  2. Step 2: Convert to fraction form
    523,631.81/722,621.45 = 291,080.58/x
  3. Step 3: Cross multiply
    523,631.81x = 722,621.45 × 291,080.58
  4. Step 4: Simplify right side
    523,631.81x = 210,341,069,331.04
  5. Step 5: Solve for x
    x = 210,341,069,331.04/523,631.81
  6. Step 6: Final answer
    x = 401,696.51

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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.