Home / 791,063.64-1,186,650.81-391,597.16

Finding the Fourth Proportional to 791,063.64, 1,186,650.81 and 391,597.16

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Solution

The fourth proportional to 791,063.64, 1,186,650.81 and 391,597.16 is: 587,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,063.64 : 1,186,650.81 = 391,597.16 : x
  2. Step 2: Convert to fraction form
    791,063.64/1,186,650.81 = 391,597.16/x
  3. Step 3: Cross multiply
    791,063.64x = 1,186,650.81 × 391,597.16
  4. Step 4: Simplify right side
    791,063.64x = 464,689,081,174.45
  5. Step 5: Solve for x
    x = 464,689,081,174.45/791,063.64
  6. Step 6: Final answer
    x = 587,423.13

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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.