Home / 730,166.10-1,094,921.10-280,737.60

Finding the Fourth Proportional to 730,166.10, 1,094,921.10 and 280,737.60

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Solution

The fourth proportional to 730,166.10, 1,094,921.10 and 280,737.60 is: 420,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,166.10 : 1,094,921.10 = 280,737.60 : x
  2. Step 2: Convert to fraction form
    730,166.10/1,094,921.10 = 280,737.60/x
  3. Step 3: Cross multiply
    730,166.10x = 1,094,921.10 × 280,737.60
  4. Step 4: Simplify right side
    730,166.10x = 307,385,521,803.36
  5. Step 5: Solve for x
    x = 307,385,521,803.36/730,166.10
  6. Step 6: Final answer
    x = 420,980.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.