Home / 476,417.62-657,457.46-261,571.53

Finding the Fourth Proportional to 476,417.62, 657,457.46 and 261,571.53

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Solution

The fourth proportional to 476,417.62, 657,457.46 and 261,571.53 is: 360,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,417.62 : 657,457.46 = 261,571.53 : x
  2. Step 2: Convert to fraction form
    476,417.62/657,457.46 = 261,571.53/x
  3. Step 3: Cross multiply
    476,417.62x = 657,457.46 × 261,571.53
  4. Step 4: Simplify right side
    476,417.62x = 171,972,153,722.11
  5. Step 5: Solve for x
    x = 171,972,153,722.11/476,417.62
  6. Step 6: Final answer
    x = 360,969.34

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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.