Home / 897,415.30-1,346,122.95-365,318.20

Finding the Fourth Proportional to 897,415.30, 1,346,122.95 and 365,318.20

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Solution

The fourth proportional to 897,415.30, 1,346,122.95 and 365,318.20 is: 547,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,415.30 : 1,346,122.95 = 365,318.20 : x
  2. Step 2: Convert to fraction form
    897,415.30/1,346,122.95 = 365,318.20/x
  3. Step 3: Cross multiply
    897,415.30x = 1,346,122.95 × 365,318.20
  4. Step 4: Simplify right side
    897,415.30x = 491,763,213,072.69
  5. Step 5: Solve for x
    x = 491,763,213,072.69/897,415.30
  6. Step 6: Final answer
    x = 547,977.30

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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.