Home / 966,649.48-1,449,175.86-426,521.20

Finding the Fourth Proportional to 966,649.48, 1,449,175.86 and 426,521.20

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Solution

The fourth proportional to 966,649.48, 1,449,175.86 and 426,521.20 is: 639,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,649.48 : 1,449,175.86 = 426,521.20 : x
  2. Step 2: Convert to fraction form
    966,649.48/1,449,175.86 = 426,521.20/x
  3. Step 3: Cross multiply
    966,649.48x = 1,449,175.86 × 426,521.20
  4. Step 4: Simplify right side
    966,649.48x = 618,104,226,818.23
  5. Step 5: Solve for x
    x = 618,104,226,818.23/966,649.48
  6. Step 6: Final answer
    x = 639,429.53

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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.