Home / 671,176.42-1,006,363.04-455,300.42

Finding the Fourth Proportional to 671,176.42, 1,006,363.04 and 455,300.42

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Solution

The fourth proportional to 671,176.42, 1,006,363.04 and 455,300.42 is: 682,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,176.42 : 1,006,363.04 = 455,300.42 : x
  2. Step 2: Convert to fraction form
    671,176.42/1,006,363.04 = 455,300.42/x
  3. Step 3: Cross multiply
    671,176.42x = 1,006,363.04 × 455,300.42
  4. Step 4: Simplify right side
    671,176.42x = 458,197,518,438.64
  5. Step 5: Solve for x
    x = 458,197,518,438.64/671,176.42
  6. Step 6: Final answer
    x = 682,678.21

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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.