Home / 476,230.15-657,237.93-261,406.60

Finding the Fourth Proportional to 476,230.15, 657,237.93 and 261,406.60

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Solution

The fourth proportional to 476,230.15, 657,237.93 and 261,406.60 is: 360,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,230.15 : 657,237.93 = 261,406.60 : x
  2. Step 2: Convert to fraction form
    476,230.15/657,237.93 = 261,406.60/x
  3. Step 3: Cross multiply
    476,230.15x = 657,237.93 × 261,406.60
  4. Step 4: Simplify right side
    476,230.15x = 171,806,332,672.34
  5. Step 5: Solve for x
    x = 171,806,332,672.34/476,230.15
  6. Step 6: Final answer
    x = 360,763.24

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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.