Home / 740,351.67-1,021,591.38-434,316.39

Finding the Fourth Proportional to 740,351.67, 1,021,591.38 and 434,316.39

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Solution

The fourth proportional to 740,351.67, 1,021,591.38 and 434,316.39 is: 599,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,351.67 : 1,021,591.38 = 434,316.39 : x
  2. Step 2: Convert to fraction form
    740,351.67/1,021,591.38 = 434,316.39/x
  3. Step 3: Cross multiply
    740,351.67x = 1,021,591.38 × 434,316.39
  4. Step 4: Simplify right side
    740,351.67x = 443,693,880,216.72
  5. Step 5: Solve for x
    x = 443,693,880,216.72/740,351.67
  6. Step 6: Final answer
    x = 599,301.52

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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.