Home / 743,011.26-1,025,328.15-403,472.22

Finding the Fourth Proportional to 743,011.26, 1,025,328.15 and 403,472.22

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Solution

The fourth proportional to 743,011.26, 1,025,328.15 and 403,472.22 is: 556,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,011.26 : 1,025,328.15 = 403,472.22 : x
  2. Step 2: Convert to fraction form
    743,011.26/1,025,328.15 = 403,472.22/x
  3. Step 3: Cross multiply
    743,011.26x = 1,025,328.15 × 403,472.22
  4. Step 4: Simplify right side
    743,011.26x = 413,691,424,908.99
  5. Step 5: Solve for x
    x = 413,691,424,908.99/743,011.26
  6. Step 6: Final answer
    x = 556,776.79

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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.