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Finding the Fourth Proportional to 670,655.88, 925,508.66 and 364,734.67

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Solution

The fourth proportional to 670,655.88, 925,508.66 and 364,734.67 is: 503,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,655.88 : 925,508.66 = 364,734.67 : x
  2. Step 2: Convert to fraction form
    670,655.88/925,508.66 = 364,734.67/x
  3. Step 3: Cross multiply
    670,655.88x = 925,508.66 × 364,734.67
  4. Step 4: Simplify right side
    670,655.88x = 337,565,095,687.24
  5. Step 5: Solve for x
    x = 337,565,095,687.24/670,655.88
  6. Step 6: Final answer
    x = 503,335.77

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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.