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Finding the Fourth Proportional to 607,842.69, 910,949.02 and 473,069.49

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Solution

The fourth proportional to 607,842.69, 910,949.02 and 473,069.49 is: 708,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,842.69 : 910,949.02 = 473,069.49 : x
  2. Step 2: Convert to fraction form
    607,842.69/910,949.02 = 473,069.49/x
  3. Step 3: Cross multiply
    607,842.69x = 910,949.02 × 473,069.49
  4. Step 4: Simplify right side
    607,842.69x = 430,942,188,307.40
  5. Step 5: Solve for x
    x = 430,942,188,307.40/607,842.69
  6. Step 6: Final answer
    x = 708,969.93

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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.