Home / 670,731.78-925,600.68-364,801.56

Finding the Fourth Proportional to 670,731.78, 925,600.68 and 364,801.56

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Solution

The fourth proportional to 670,731.78, 925,600.68 and 364,801.56 is: 503,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,731.78 : 925,600.68 = 364,801.56 : x
  2. Step 2: Convert to fraction form
    670,731.78/925,600.68 = 364,801.56/x
  3. Step 3: Cross multiply
    670,731.78x = 925,600.68 × 364,801.56
  4. Step 4: Simplify right side
    670,731.78x = 337,660,572,001.06
  5. Step 5: Solve for x
    x = 337,660,572,001.06/670,731.78
  6. Step 6: Final answer
    x = 503,421.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.