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Finding the Fourth Proportional to 670,304.60, 925,009.98 and 368,492.12

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Solution

The fourth proportional to 670,304.60, 925,009.98 and 368,492.12 is: 508,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,304.60 : 925,009.98 = 368,492.12 : x
  2. Step 2: Convert to fraction form
    670,304.60/925,009.98 = 368,492.12/x
  3. Step 3: Cross multiply
    670,304.60x = 925,009.98 × 368,492.12
  4. Step 4: Simplify right side
    670,304.60x = 340,858,888,551.36
  5. Step 5: Solve for x
    x = 340,858,888,551.36/670,304.60
  6. Step 6: Final answer
    x = 508,513.43

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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.