Home / 708,127.28-977,203.32-385,840.04

Finding the Fourth Proportional to 708,127.28, 977,203.32 and 385,840.04

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Solution

The fourth proportional to 708,127.28, 977,203.32 and 385,840.04 is: 532,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,127.28 : 977,203.32 = 385,840.04 : x
  2. Step 2: Convert to fraction form
    708,127.28/977,203.32 = 385,840.04/x
  3. Step 3: Cross multiply
    708,127.28x = 977,203.32 × 385,840.04
  4. Step 4: Simplify right side
    708,127.28x = 377,044,168,076.93
  5. Step 5: Solve for x
    x = 377,044,168,076.93/708,127.28
  6. Step 6: Final answer
    x = 532,452.54

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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.