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Finding the Fourth Proportional to 670,955.45, 925,925.87 and 365,033.57

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Solution

The fourth proportional to 670,955.45, 925,925.87 and 365,033.57 is: 503,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,955.45 : 925,925.87 = 365,033.57 : x
  2. Step 2: Convert to fraction form
    670,955.45/925,925.87 = 365,033.57/x
  3. Step 3: Cross multiply
    670,955.45x = 925,925.87 × 365,033.57
  4. Step 4: Simplify right side
    670,955.45x = 337,994,025,881.46
  5. Step 5: Solve for x
    x = 337,994,025,881.46/670,955.45
  6. Step 6: Final answer
    x = 503,750.32

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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.