Home / 909,720.56-1,364,436.18-302,458.38

Finding the Fourth Proportional to 909,720.56, 1,364,436.18 and 302,458.38

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Solution

The fourth proportional to 909,720.56, 1,364,436.18 and 302,458.38 is: 453,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,720.56 : 1,364,436.18 = 302,458.38 : x
  2. Step 2: Convert to fraction form
    909,720.56/1,364,436.18 = 302,458.38/x
  3. Step 3: Cross multiply
    909,720.56x = 1,364,436.18 × 302,458.38
  4. Step 4: Simplify right side
    909,720.56x = 412,685,156,616.19
  5. Step 5: Solve for x
    x = 412,685,156,616.19/909,720.56
  6. Step 6: Final answer
    x = 453,639.48

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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.