Home / 476,480.73-657,851.12-295,386.20

Finding the Fourth Proportional to 476,480.73, 657,851.12 and 295,386.20

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Solution

The fourth proportional to 476,480.73, 657,851.12 and 295,386.20 is: 407,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,480.73 : 657,851.12 = 295,386.20 : x
  2. Step 2: Convert to fraction form
    476,480.73/657,851.12 = 295,386.20/x
  3. Step 3: Cross multiply
    476,480.73x = 657,851.12 × 295,386.20
  4. Step 4: Simplify right side
    476,480.73x = 194,320,137,736.36
  5. Step 5: Solve for x
    x = 194,320,137,736.36/476,480.73
  6. Step 6: Final answer
    x = 407,823.71

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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.