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Finding the Fourth Proportional to 670,914, 925,861.32 and 369,101.52

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Solution

The fourth proportional to 670,914, 925,861.32 and 369,101.52 is: 509,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,914 : 925,861.32 = 369,101.52 : x
  2. Step 2: Convert to fraction form
    670,914/925,861.32 = 369,101.52/x
  3. Step 3: Cross multiply
    670,914x = 925,861.32 × 369,101.52
  4. Step 4: Simplify right side
    670,914x = 341,736,820,521.21
  5. Step 5: Solve for x
    x = 341,736,820,521.21/670,914
  6. Step 6: Final answer
    x = 509,360.10

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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.