Home / 897,032.12-1,345,775.40-297,996.24

Finding the Fourth Proportional to 897,032.12, 1,345,775.40 and 297,996.24

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Solution

The fourth proportional to 897,032.12, 1,345,775.40 and 297,996.24 is: 447,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,032.12 : 1,345,775.40 = 297,996.24 : x
  2. Step 2: Convert to fraction form
    897,032.12/1,345,775.40 = 297,996.24/x
  3. Step 3: Cross multiply
    897,032.12x = 1,345,775.40 × 297,996.24
  4. Step 4: Simplify right side
    897,032.12x = 401,036,009,084.50
  5. Step 5: Solve for x
    x = 401,036,009,084.50/897,032.12
  6. Step 6: Final answer
    x = 447,069.84

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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.