Home / 734,816.78-1,102,294.88-285,572.35

Finding the Fourth Proportional to 734,816.78, 1,102,294.88 and 285,572.35

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Solution

The fourth proportional to 734,816.78, 1,102,294.88 and 285,572.35 is: 428,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,816.78 : 1,102,294.88 = 285,572.35 : x
  2. Step 2: Convert to fraction form
    734,816.78/1,102,294.88 = 285,572.35/x
  3. Step 3: Cross multiply
    734,816.78x = 1,102,294.88 × 285,572.35
  4. Step 4: Simplify right side
    734,816.78x = 314,784,939,274.57
  5. Step 5: Solve for x
    x = 314,784,939,274.57/734,816.78
  6. Step 6: Final answer
    x = 428,385.62

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Double scale
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1.5x scale

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.