Home / 729,307.94-1,006,495.47-407,081.03

Finding the Fourth Proportional to 729,307.94, 1,006,495.47 and 407,081.03

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Solution

The fourth proportional to 729,307.94, 1,006,495.47 and 407,081.03 is: 561,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,307.94 : 1,006,495.47 = 407,081.03 : x
  2. Step 2: Convert to fraction form
    729,307.94/1,006,495.47 = 407,081.03/x
  3. Step 3: Cross multiply
    729,307.94x = 1,006,495.47 × 407,081.03
  4. Step 4: Simplify right side
    729,307.94x = 409,725,207,585.46
  5. Step 5: Solve for x
    x = 409,725,207,585.46/729,307.94
  6. Step 6: Final answer
    x = 561,800.01

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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.