Home / 729,926.03-1,007,225.96-407,629.22

Finding the Fourth Proportional to 729,926.03, 1,007,225.96 and 407,629.22

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Solution

The fourth proportional to 729,926.03, 1,007,225.96 and 407,629.22 is: 562,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,926.03 : 1,007,225.96 = 407,629.22 : x
  2. Step 2: Convert to fraction form
    729,926.03/1,007,225.96 = 407,629.22/x
  3. Step 3: Cross multiply
    729,926.03x = 1,007,225.96 × 407,629.22
  4. Step 4: Simplify right side
    729,926.03x = 410,574,725,364.28
  5. Step 5: Solve for x
    x = 410,574,725,364.28/729,926.03
  6. Step 6: Final answer
    x = 562,488.12

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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.