Home / 672,124.20-1,008,186.30-632,725.80

Finding the Fourth Proportional to 672,124.20, 1,008,186.30 and 632,725.80

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Solution

The fourth proportional to 672,124.20, 1,008,186.30 and 632,725.80 is: 949,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,124.20 : 1,008,186.30 = 632,725.80 : x
  2. Step 2: Convert to fraction form
    672,124.20/1,008,186.30 = 632,725.80/x
  3. Step 3: Cross multiply
    672,124.20x = 1,008,186.30 × 632,725.80
  4. Step 4: Simplify right side
    672,124.20x = 637,905,483,216.54
  5. Step 5: Solve for x
    x = 637,905,483,216.54/672,124.20
  6. Step 6: Final answer
    x = 949,088.70

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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.