Home / 671,176.79-1,006,363.61-455,300.80

Finding the Fourth Proportional to 671,176.79, 1,006,363.61 and 455,300.80

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Solution

The fourth proportional to 671,176.79, 1,006,363.61 and 455,300.80 is: 682,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,176.79 : 1,006,363.61 = 455,300.80 : x
  2. Step 2: Convert to fraction form
    671,176.79/1,006,363.61 = 455,300.80/x
  3. Step 3: Cross multiply
    671,176.79x = 1,006,363.61 × 455,300.80
  4. Step 4: Simplify right side
    671,176.79x = 458,198,151,931.48
  5. Step 5: Solve for x
    x = 458,198,151,931.48/671,176.79
  6. Step 6: Final answer
    x = 682,678.78

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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.