Home / 476,080.15-657,002.07-261,220.04

Finding the Fourth Proportional to 476,080.15, 657,002.07 and 261,220.04

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Solution

The fourth proportional to 476,080.15, 657,002.07 and 261,220.04 is: 360,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,080.15 : 657,002.07 = 261,220.04 : x
  2. Step 2: Convert to fraction form
    476,080.15/657,002.07 = 261,220.04/x
  3. Step 3: Cross multiply
    476,080.15x = 657,002.07 × 261,220.04
  4. Step 4: Simplify right side
    476,080.15x = 171,622,106,184.23
  5. Step 5: Solve for x
    x = 171,622,106,184.23/476,080.15
  6. Step 6: Final answer
    x = 360,489.94

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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.