Home / 793,501.60-1,190,762.70-438,770.20

Finding the Fourth Proportional to 793,501.60, 1,190,762.70 and 438,770.20

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Solution

The fourth proportional to 793,501.60, 1,190,762.70 and 438,770.20 is: 658,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,501.60 : 1,190,762.70 = 438,770.20 : x
  2. Step 2: Convert to fraction form
    793,501.60/1,190,762.70 = 438,770.20/x
  3. Step 3: Cross multiply
    793,501.60x = 1,190,762.70 × 438,770.20
  4. Step 4: Simplify right side
    793,501.60x = 522,471,188,031.54
  5. Step 5: Solve for x
    x = 522,471,188,031.54/793,501.60
  6. Step 6: Final answer
    x = 658,437.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.