Home / 676,822.40-1,014,772.80-256,035.20

Finding the Fourth Proportional to 676,822.40, 1,014,772.80 and 256,035.20

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Solution

The fourth proportional to 676,822.40, 1,014,772.80 and 256,035.20 is: 383,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,822.40 : 1,014,772.80 = 256,035.20 : x
  2. Step 2: Convert to fraction form
    676,822.40/1,014,772.80 = 256,035.20/x
  3. Step 3: Cross multiply
    676,822.40x = 1,014,772.80 × 256,035.20
  4. Step 4: Simplify right side
    676,822.40x = 259,817,556,802.56
  5. Step 5: Solve for x
    x = 259,817,556,802.56/676,822.40
  6. Step 6: Final answer
    x = 383,878.48

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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.