Home / 849,767.46-1,275,439.59-429,338.58

Finding the Fourth Proportional to 849,767.46, 1,275,439.59 and 429,338.58

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Solution

The fourth proportional to 849,767.46, 1,275,439.59 and 429,338.58 is: 644,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,767.46 : 1,275,439.59 = 429,338.58 : x
  2. Step 2: Convert to fraction form
    849,767.46/1,275,439.59 = 429,338.58/x
  3. Step 3: Cross multiply
    849,767.46x = 1,275,439.59 × 429,338.58
  4. Step 4: Simplify right side
    849,767.46x = 547,595,422,446.38
  5. Step 5: Solve for x
    x = 547,595,422,446.38/849,767.46
  6. Step 6: Final answer
    x = 644,406.20

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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.