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Finding the Fourth Proportional to 595,068.30, 820,988.64 and 380,334.06

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Solution

The fourth proportional to 595,068.30, 820,988.64 and 380,334.06 is: 524,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,068.30 : 820,988.64 = 380,334.06 : x
  2. Step 2: Convert to fraction form
    595,068.30/820,988.64 = 380,334.06/x
  3. Step 3: Cross multiply
    595,068.30x = 820,988.64 × 380,334.06
  4. Step 4: Simplify right side
    595,068.30x = 312,249,942,665.08
  5. Step 5: Solve for x
    x = 312,249,942,665.08/595,068.30
  6. Step 6: Final answer
    x = 524,729.59

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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.