Home / 740,955.33-1,022,519.43-401,423.58

Finding the Fourth Proportional to 740,955.33, 1,022,519.43 and 401,423.58

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Solution

The fourth proportional to 740,955.33, 1,022,519.43 and 401,423.58 is: 553,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,955.33 : 1,022,519.43 = 401,423.58 : x
  2. Step 2: Convert to fraction form
    740,955.33/1,022,519.43 = 401,423.58/x
  3. Step 3: Cross multiply
    740,955.33x = 1,022,519.43 × 401,423.58
  4. Step 4: Simplify right side
    740,955.33x = 410,463,410,210.16
  5. Step 5: Solve for x
    x = 410,463,410,210.16/740,955.33
  6. Step 6: Final answer
    x = 553,965.12

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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.