Home / 864,165.34-1,192,541.72-476,980.68

Finding the Fourth Proportional to 864,165.34, 1,192,541.72 and 476,980.68

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Solution

The fourth proportional to 864,165.34, 1,192,541.72 and 476,980.68 is: 658,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,165.34 : 1,192,541.72 = 476,980.68 : x
  2. Step 2: Convert to fraction form
    864,165.34/1,192,541.72 = 476,980.68/x
  3. Step 3: Cross multiply
    864,165.34x = 1,192,541.72 × 476,980.68
  4. Step 4: Simplify right side
    864,165.34x = 568,819,362,621.10
  5. Step 5: Solve for x
    x = 568,819,362,621.10/864,165.34
  6. Step 6: Final answer
    x = 658,229.78

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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.