Home / 812,166.76-1,217,840.06-475,308.62

Finding the Fourth Proportional to 812,166.76, 1,217,840.06 and 475,308.62

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Solution

The fourth proportional to 812,166.76, 1,217,840.06 and 475,308.62 is: 712,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,166.76 : 1,217,840.06 = 475,308.62 : x
  2. Step 2: Convert to fraction form
    812,166.76/1,217,840.06 = 475,308.62/x
  3. Step 3: Cross multiply
    812,166.76x = 1,217,840.06 × 475,308.62
  4. Step 4: Simplify right side
    812,166.76x = 578,849,878,299.32
  5. Step 5: Solve for x
    x = 578,849,878,299.32/812,166.76
  6. Step 6: Final answer
    x = 712,722.94

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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.