Home / 743,012.26-1,025,329.53-403,473.22

Finding the Fourth Proportional to 743,012.26, 1,025,329.53 and 403,473.22

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Solution

The fourth proportional to 743,012.26, 1,025,329.53 and 403,473.22 is: 556,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,012.26 : 1,025,329.53 = 403,473.22 : x
  2. Step 2: Convert to fraction form
    743,012.26/1,025,329.53 = 403,473.22/x
  3. Step 3: Cross multiply
    743,012.26x = 1,025,329.53 × 403,473.22
  4. Step 4: Simplify right side
    743,012.26x = 413,693,007,030.19
  5. Step 5: Solve for x
    x = 413,693,007,030.19/743,012.26
  6. Step 6: Final answer
    x = 556,778.17

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Double scale
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1.5x scale

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.