Home / 897,354.36-1,345,740.30-298,154.61

Finding the Fourth Proportional to 897,354.36, 1,345,740.30 and 298,154.61

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Solution

The fourth proportional to 897,354.36, 1,345,740.30 and 298,154.61 is: 447,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,354.36 : 1,345,740.30 = 298,154.61 : x
  2. Step 2: Convert to fraction form
    897,354.36/1,345,740.30 = 298,154.61/x
  3. Step 3: Cross multiply
    897,354.36x = 1,345,740.30 × 298,154.61
  4. Step 4: Simplify right side
    897,354.36x = 401,238,674,307.78
  5. Step 5: Solve for x
    x = 401,238,674,307.78/897,354.36
  6. Step 6: Final answer
    x = 447,135.15

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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.