Home / 476,400.24-657,464.22-314,977.74

Finding the Fourth Proportional to 476,400.24, 657,464.22 and 314,977.74

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Solution

The fourth proportional to 476,400.24, 657,464.22 and 314,977.74 is: 434,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,400.24 : 657,464.22 = 314,977.74 : x
  2. Step 2: Convert to fraction form
    476,400.24/657,464.22 = 314,977.74/x
  3. Step 3: Cross multiply
    476,400.24x = 657,464.22 × 314,977.74
  4. Step 4: Simplify right side
    476,400.24x = 207,086,594,146.46
  5. Step 5: Solve for x
    x = 207,086,594,146.46/476,400.24
  6. Step 6: Final answer
    x = 434,690.36

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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.