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Finding the Fourth Proportional to 606,551.10, 910,810.80 and 340,830.60

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Solution

The fourth proportional to 606,551.10, 910,810.80 and 340,830.60 is: 511,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,551.10 : 910,810.80 = 340,830.60 : x
  2. Step 2: Convert to fraction form
    606,551.10/910,810.80 = 340,830.60/x
  3. Step 3: Cross multiply
    606,551.10x = 910,810.80 × 340,830.60
  4. Step 4: Simplify right side
    606,551.10x = 310,432,191,450.48
  5. Step 5: Solve for x
    x = 310,432,191,450.48/606,551.10
  6. Step 6: Final answer
    x = 511,798.91

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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.