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Finding the Fourth Proportional to 636,571.07, 954,263.37 and 436,985.45

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Solution

The fourth proportional to 636,571.07, 954,263.37 and 436,985.45 is: 655,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,571.07 : 954,263.37 = 436,985.45 : x
  2. Step 2: Convert to fraction form
    636,571.07/954,263.37 = 436,985.45/x
  3. Step 3: Cross multiply
    636,571.07x = 954,263.37 × 436,985.45
  4. Step 4: Simplify right side
    636,571.07x = 416,999,208,157.97
  5. Step 5: Solve for x
    x = 416,999,208,157.97/636,571.07
  6. Step 6: Final answer
    x = 655,070.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.