Home / 909,427.16-1,363,765.48-310,436.62

Finding the Fourth Proportional to 909,427.16, 1,363,765.48 and 310,436.62

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Solution

The fourth proportional to 909,427.16, 1,363,765.48 and 310,436.62 is: 465,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,427.16 : 1,363,765.48 = 310,436.62 : x
  2. Step 2: Convert to fraction form
    909,427.16/1,363,765.48 = 310,436.62/x
  3. Step 3: Cross multiply
    909,427.16x = 1,363,765.48 × 310,436.62
  4. Step 4: Simplify right side
    909,427.16x = 423,362,741,898.37
  5. Step 5: Solve for x
    x = 423,362,741,898.37/909,427.16
  6. Step 6: Final answer
    x = 465,526.83

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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.