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Finding the Fourth Proportional to 607,119.60, 910,679.40 and 370,923.60

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Solution

The fourth proportional to 607,119.60, 910,679.40 and 370,923.60 is: 556,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,119.60 : 910,679.40 = 370,923.60 : x
  2. Step 2: Convert to fraction form
    607,119.60/910,679.40 = 370,923.60/x
  3. Step 3: Cross multiply
    607,119.60x = 910,679.40 × 370,923.60
  4. Step 4: Simplify right side
    607,119.60x = 337,792,481,493.84
  5. Step 5: Solve for x
    x = 337,792,481,493.84/607,119.60
  6. Step 6: Final answer
    x = 556,385.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.