Home / 463,942.42-640,210.21-272,918.90

Finding the Fourth Proportional to 463,942.42, 640,210.21 and 272,918.90

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Solution

The fourth proportional to 463,942.42, 640,210.21 and 272,918.90 is: 376,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,942.42 : 640,210.21 = 272,918.90 : x
  2. Step 2: Convert to fraction form
    463,942.42/640,210.21 = 272,918.90/x
  3. Step 3: Cross multiply
    463,942.42x = 640,210.21 × 272,918.90
  4. Step 4: Simplify right side
    463,942.42x = 174,725,466,281.97
  5. Step 5: Solve for x
    x = 174,725,466,281.97/463,942.42
  6. Step 6: Final answer
    x = 376,610.24

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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.