Home / 480,128.58-662,520.96-265,255.83

Finding the Fourth Proportional to 480,128.58, 662,520.96 and 265,255.83

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Solution

The fourth proportional to 480,128.58, 662,520.96 and 265,255.83 is: 366,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,128.58 : 662,520.96 = 265,255.83 : x
  2. Step 2: Convert to fraction form
    480,128.58/662,520.96 = 265,255.83/x
  3. Step 3: Cross multiply
    480,128.58x = 662,520.96 × 265,255.83
  4. Step 4: Simplify right side
    480,128.58x = 175,737,547,137.20
  5. Step 5: Solve for x
    x = 175,737,547,137.20/480,128.58
  6. Step 6: Final answer
    x = 366,021.84

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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.