Home / 827,876.25-1,142,470.31-470,180.25

Finding the Fourth Proportional to 827,876.25, 1,142,470.31 and 470,180.25

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Solution

The fourth proportional to 827,876.25, 1,142,470.31 and 470,180.25 is: 648,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,876.25 : 1,142,470.31 = 470,180.25 : x
  2. Step 2: Convert to fraction form
    827,876.25/1,142,470.31 = 470,180.25/x
  3. Step 3: Cross multiply
    827,876.25x = 1,142,470.31 × 470,180.25
  4. Step 4: Simplify right side
    827,876.25x = 537,166,973,622.48
  5. Step 5: Solve for x
    x = 537,166,973,622.48/827,876.25
  6. Step 6: Final answer
    x = 648,849.36

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Double scale
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1.5x scale

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.