Home / 490,619.16-677,060.46-297,024.24

Finding the Fourth Proportional to 490,619.16, 677,060.46 and 297,024.24

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Solution

The fourth proportional to 490,619.16, 677,060.46 and 297,024.24 is: 409,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,619.16 : 677,060.46 = 297,024.24 : x
  2. Step 2: Convert to fraction form
    490,619.16/677,060.46 = 297,024.24/x
  3. Step 3: Cross multiply
    490,619.16x = 677,060.46 × 297,024.24
  4. Step 4: Simplify right side
    490,619.16x = 201,103,368,565.55
  5. Step 5: Solve for x
    x = 201,103,368,565.55/490,619.16
  6. Step 6: Final answer
    x = 409,897.10

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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.