Home / 738,605.10-1,107,907.65-239,969.10

Finding the Fourth Proportional to 738,605.10, 1,107,907.65 and 239,969.10

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Solution

The fourth proportional to 738,605.10, 1,107,907.65 and 239,969.10 is: 359,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,605.10 : 1,107,907.65 = 239,969.10 : x
  2. Step 2: Convert to fraction form
    738,605.10/1,107,907.65 = 239,969.10/x
  3. Step 3: Cross multiply
    738,605.10x = 1,107,907.65 × 239,969.10
  4. Step 4: Simplify right side
    738,605.10x = 265,863,601,653.62
  5. Step 5: Solve for x
    x = 265,863,601,653.62/738,605.10
  6. Step 6: Final answer
    x = 359,953.65

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Double scale
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Similar ratio
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1.5x scale

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.