Home / 652,124.66-899,941.23-393,965.72

Finding the Fourth Proportional to 652,124.66, 899,941.23 and 393,965.72

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Solution

The fourth proportional to 652,124.66, 899,941.23 and 393,965.72 is: 543,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,124.66 : 899,941.23 = 393,965.72 : x
  2. Step 2: Convert to fraction form
    652,124.66/899,941.23 = 393,965.72/x
  3. Step 3: Cross multiply
    652,124.66x = 899,941.23 × 393,965.72
  4. Step 4: Simplify right side
    652,124.66x = 354,545,988,165.10
  5. Step 5: Solve for x
    x = 354,545,988,165.10/652,124.66
  6. Step 6: Final answer
    x = 543,678.24

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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.