Home / 850,918.72-1,275,174.56-472,006.40

Finding the Fourth Proportional to 850,918.72, 1,275,174.56 and 472,006.40

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Solution

The fourth proportional to 850,918.72, 1,275,174.56 and 472,006.40 is: 707,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,918.72 : 1,275,174.56 = 472,006.40 : x
  2. Step 2: Convert to fraction form
    850,918.72/1,275,174.56 = 472,006.40/x
  3. Step 3: Cross multiply
    850,918.72x = 1,275,174.56 × 472,006.40
  4. Step 4: Simplify right side
    850,918.72x = 601,890,553,437.18
  5. Step 5: Solve for x
    x = 601,890,553,437.18/850,918.72
  6. Step 6: Final answer
    x = 707,342.00

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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.