Home / 595,014.15-820,916.75-380,278.09

Finding the Fourth Proportional to 595,014.15, 820,916.75 and 380,278.09

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Solution

The fourth proportional to 595,014.15, 820,916.75 and 380,278.09 is: 524,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,014.15 : 820,916.75 = 380,278.09 : x
  2. Step 2: Convert to fraction form
    595,014.15/820,916.75 = 380,278.09/x
  3. Step 3: Cross multiply
    595,014.15x = 820,916.75 × 380,278.09
  4. Step 4: Simplify right side
    595,014.15x = 312,176,651,837.62
  5. Step 5: Solve for x
    x = 312,176,651,837.62/595,014.15
  6. Step 6: Final answer
    x = 524,654.17

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1.5x scale

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.