Home / 916,164.20-1,374,246.30-468,266.60

Finding the Fourth Proportional to 916,164.20, 1,374,246.30 and 468,266.60

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Solution

The fourth proportional to 916,164.20, 1,374,246.30 and 468,266.60 is: 702,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,164.20 : 1,374,246.30 = 468,266.60 : x
  2. Step 2: Convert to fraction form
    916,164.20/1,374,246.30 = 468,266.60/x
  3. Step 3: Cross multiply
    916,164.20x = 1,374,246.30 × 468,266.60
  4. Step 4: Simplify right side
    916,164.20x = 643,513,642,463.58
  5. Step 5: Solve for x
    x = 643,513,642,463.58/916,164.20
  6. Step 6: Final answer
    x = 702,399.90

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Double scale
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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.