Home / 578,979.64-798,762.02-361,060.12

Finding the Fourth Proportional to 578,979.64, 798,762.02 and 361,060.12

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Solution

The fourth proportional to 578,979.64, 798,762.02 and 361,060.12 is: 498,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,979.64 : 798,762.02 = 361,060.12 : x
  2. Step 2: Convert to fraction form
    578,979.64/798,762.02 = 361,060.12/x
  3. Step 3: Cross multiply
    578,979.64x = 798,762.02 × 361,060.12
  4. Step 4: Simplify right side
    578,979.64x = 288,401,110,792.64
  5. Step 5: Solve for x
    x = 288,401,110,792.64/578,979.64
  6. Step 6: Final answer
    x = 498,119.61

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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.