Home / 648,004.20-972,006.30-573,208.80

Finding the Fourth Proportional to 648,004.20, 972,006.30 and 573,208.80

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Solution

The fourth proportional to 648,004.20, 972,006.30 and 573,208.80 is: 859,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,004.20 : 972,006.30 = 573,208.80 : x
  2. Step 2: Convert to fraction form
    648,004.20/972,006.30 = 573,208.80/x
  3. Step 3: Cross multiply
    648,004.20x = 972,006.30 × 573,208.80
  4. Step 4: Simplify right side
    648,004.20x = 557,162,564,815.44
  5. Step 5: Solve for x
    x = 557,162,564,815.44/648,004.20
  6. Step 6: Final answer
    x = 859,813.20

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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.