Home / 864,028.72-1,192,303.76-476,847.60

Finding the Fourth Proportional to 864,028.72, 1,192,303.76 and 476,847.60

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Solution

The fourth proportional to 864,028.72, 1,192,303.76 and 476,847.60 is: 658,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,028.72 : 1,192,303.76 = 476,847.60 : x
  2. Step 2: Convert to fraction form
    864,028.72/1,192,303.76 = 476,847.60/x
  3. Step 3: Cross multiply
    864,028.72x = 1,192,303.76 × 476,847.60
  4. Step 4: Simplify right side
    864,028.72x = 568,547,186,426.98
  5. Step 5: Solve for x
    x = 568,547,186,426.98/864,028.72
  6. Step 6: Final answer
    x = 658,018.85

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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.