Home / 452,402.45-623,969.39-307,320.11

Finding the Fourth Proportional to 452,402.45, 623,969.39 and 307,320.11

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Solution

The fourth proportional to 452,402.45, 623,969.39 and 307,320.11 is: 423,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,402.45 : 623,969.39 = 307,320.11 : x
  2. Step 2: Convert to fraction form
    452,402.45/623,969.39 = 307,320.11/x
  3. Step 3: Cross multiply
    452,402.45x = 623,969.39 × 307,320.11
  4. Step 4: Simplify right side
    452,402.45x = 191,758,339,219.89
  5. Step 5: Solve for x
    x = 191,758,339,219.89/452,402.45
  6. Step 6: Final answer
    x = 423,866.72

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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.