Home / 740,392.79-1,021,748.85-434,474.30

Finding the Fourth Proportional to 740,392.79, 1,021,748.85 and 434,474.30

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Solution

The fourth proportional to 740,392.79, 1,021,748.85 and 434,474.30 is: 599,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,392.79 : 1,021,748.85 = 434,474.30 : x
  2. Step 2: Convert to fraction form
    740,392.79/1,021,748.85 = 434,474.30/x
  3. Step 3: Cross multiply
    740,392.79x = 1,021,748.85 × 434,474.30
  4. Step 4: Simplify right side
    740,392.79x = 443,923,618,933.93
  5. Step 5: Solve for x
    x = 443,923,618,933.93/740,392.79
  6. Step 6: Final answer
    x = 599,578.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.