Home / 740,106.81-1,021,355.91-434,188.44

Finding the Fourth Proportional to 740,106.81, 1,021,355.91 and 434,188.44

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Solution

The fourth proportional to 740,106.81, 1,021,355.91 and 434,188.44 is: 599,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,106.81 : 1,021,355.91 = 434,188.44 : x
  2. Step 2: Convert to fraction form
    740,106.81/1,021,355.91 = 434,188.44/x
  3. Step 3: Cross multiply
    740,106.81x = 1,021,355.91 × 434,188.44
  4. Step 4: Simplify right side
    740,106.81x = 443,460,929,247.68
  5. Step 5: Solve for x
    x = 443,460,929,247.68/740,106.81
  6. Step 6: Final answer
    x = 599,185.04

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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.