Home / 476,132.02-657,061.80-261,285.60

Finding the Fourth Proportional to 476,132.02, 657,061.80 and 261,285.60

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Solution

The fourth proportional to 476,132.02, 657,061.80 and 261,285.60 is: 360,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,132.02 : 657,061.80 = 261,285.60 : x
  2. Step 2: Convert to fraction form
    476,132.02/657,061.80 = 261,285.60/x
  3. Step 3: Cross multiply
    476,132.02x = 657,061.80 × 261,285.60
  4. Step 4: Simplify right side
    476,132.02x = 171,680,786,650.08
  5. Step 5: Solve for x
    x = 171,680,786,650.08/476,132.02
  6. Step 6: Final answer
    x = 360,573.92

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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.