Home / 740,255.70-1,021,559.91-434,337.30

Finding the Fourth Proportional to 740,255.70, 1,021,559.91 and 434,337.30

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Solution

The fourth proportional to 740,255.70, 1,021,559.91 and 434,337.30 is: 599,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,255.70 : 1,021,559.91 = 434,337.30 : x
  2. Step 2: Convert to fraction form
    740,255.70/1,021,559.91 = 434,337.30/x
  3. Step 3: Cross multiply
    740,255.70x = 1,021,559.91 × 434,337.30
  4. Step 4: Simplify right side
    740,255.70x = 443,701,573,097.64
  5. Step 5: Solve for x
    x = 443,701,573,097.64/740,255.70
  6. Step 6: Final answer
    x = 599,389.61

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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.