Home / 909,065.40-1,363,301.32-301,690.56

Finding the Fourth Proportional to 909,065.40, 1,363,301.32 and 301,690.56

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Solution

The fourth proportional to 909,065.40, 1,363,301.32 and 301,690.56 is: 452,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,065.40 : 1,363,301.32 = 301,690.56 : x
  2. Step 2: Convert to fraction form
    909,065.40/1,363,301.32 = 301,690.56/x
  3. Step 3: Cross multiply
    909,065.40x = 1,363,301.32 × 301,690.56
  4. Step 4: Simplify right side
    909,065.40x = 411,295,138,679.54
  5. Step 5: Solve for x
    x = 411,295,138,679.54/909,065.40
  6. Step 6: Final answer
    x = 452,437.35

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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.