Home / 874,332.89-1,311,676.15-368,895.12

Finding the Fourth Proportional to 874,332.89, 1,311,676.15 and 368,895.12

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Solution

The fourth proportional to 874,332.89, 1,311,676.15 and 368,895.12 is: 553,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,332.89 : 1,311,676.15 = 368,895.12 : x
  2. Step 2: Convert to fraction form
    874,332.89/1,311,676.15 = 368,895.12/x
  3. Step 3: Cross multiply
    874,332.89x = 1,311,676.15 × 368,895.12
  4. Step 4: Simplify right side
    874,332.89x = 483,870,930,755.39
  5. Step 5: Solve for x
    x = 483,870,930,755.39/874,332.89
  6. Step 6: Final answer
    x = 553,417.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.