Home / 730,733.28-1,008,411.57-428,927.28

Finding the Fourth Proportional to 730,733.28, 1,008,411.57 and 428,927.28

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Solution

The fourth proportional to 730,733.28, 1,008,411.57 and 428,927.28 is: 591,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,733.28 : 1,008,411.57 = 428,927.28 : x
  2. Step 2: Convert to fraction form
    730,733.28/1,008,411.57 = 428,927.28/x
  3. Step 3: Cross multiply
    730,733.28x = 1,008,411.57 × 428,927.28
  4. Step 4: Simplify right side
    730,733.28x = 432,535,231,840.63
  5. Step 5: Solve for x
    x = 432,535,231,840.63/730,733.28
  6. Step 6: Final answer
    x = 591,919.44

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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.