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Finding the Fourth Proportional to 406,510.10, 606,865.06 and 379,495.11

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Solution

The fourth proportional to 406,510.10, 606,865.06 and 379,495.11 is: 566,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,510.10 : 606,865.06 = 379,495.11 : x
  2. Step 2: Convert to fraction form
    406,510.10/606,865.06 = 379,495.11/x
  3. Step 3: Cross multiply
    406,510.10x = 606,865.06 × 379,495.11
  4. Step 4: Simplify right side
    406,510.10x = 230,302,321,751.12
  5. Step 5: Solve for x
    x = 230,302,321,751.12/406,510.10
  6. Step 6: Final answer
    x = 566,535.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.