Home / 757,519.36-1,045,002.24-495,719.68

Finding the Fourth Proportional to 757,519.36, 1,045,002.24 and 495,719.68

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Solution

The fourth proportional to 757,519.36, 1,045,002.24 and 495,719.68 is: 683,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,519.36 : 1,045,002.24 = 495,719.68 : x
  2. Step 2: Convert to fraction form
    757,519.36/1,045,002.24 = 495,719.68/x
  3. Step 3: Cross multiply
    757,519.36x = 1,045,002.24 × 495,719.68
  4. Step 4: Simplify right side
    757,519.36x = 518,028,176,012.08
  5. Step 5: Solve for x
    x = 518,028,176,012.08/757,519.36
  6. Step 6: Final answer
    x = 683,848.10

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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.