Home / 740,280.48-1,021,524.93-434,324.64

Finding the Fourth Proportional to 740,280.48, 1,021,524.93 and 434,324.64

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Solution

The fourth proportional to 740,280.48, 1,021,524.93 and 434,324.64 is: 599,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,280.48 : 1,021,524.93 = 434,324.64 : x
  2. Step 2: Convert to fraction form
    740,280.48/1,021,524.93 = 434,324.64/x
  3. Step 3: Cross multiply
    740,280.48x = 1,021,524.93 × 434,324.64
  4. Step 4: Simplify right side
    740,280.48x = 443,673,447,473.28
  5. Step 5: Solve for x
    x = 443,673,447,473.28/740,280.48
  6. Step 6: Final answer
    x = 599,331.55

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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.