Home / 915,423.52-1,372,579.44-409,888.48

Finding the Fourth Proportional to 915,423.52, 1,372,579.44 and 409,888.48

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Solution

The fourth proportional to 915,423.52, 1,372,579.44 and 409,888.48 is: 614,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,423.52 : 1,372,579.44 = 409,888.48 : x
  2. Step 2: Convert to fraction form
    915,423.52/1,372,579.44 = 409,888.48/x
  3. Step 3: Cross multiply
    915,423.52x = 1,372,579.44 × 409,888.48
  4. Step 4: Simplify right side
    915,423.52x = 562,604,500,340.85
  5. Step 5: Solve for x
    x = 562,604,500,340.85/915,423.52
  6. Step 6: Final answer
    x = 614,583.84

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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.