Home / 778,654.74-1,074,468.87-472,898.46

Finding the Fourth Proportional to 778,654.74, 1,074,468.87 and 472,898.46

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Solution

The fourth proportional to 778,654.74, 1,074,468.87 and 472,898.46 is: 652,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,654.74 : 1,074,468.87 = 472,898.46 : x
  2. Step 2: Convert to fraction form
    778,654.74/1,074,468.87 = 472,898.46/x
  3. Step 3: Cross multiply
    778,654.74x = 1,074,468.87 × 472,898.46
  4. Step 4: Simplify right side
    778,654.74x = 508,114,673,940.94
  5. Step 5: Solve for x
    x = 508,114,673,940.94/778,654.74
  6. Step 6: Final answer
    x = 652,554.52

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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.