Home / 740,041.14-1,021,262.46-434,122.56

Finding the Fourth Proportional to 740,041.14, 1,021,262.46 and 434,122.56

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Solution

The fourth proportional to 740,041.14, 1,021,262.46 and 434,122.56 is: 599,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,041.14 : 1,021,262.46 = 434,122.56 : x
  2. Step 2: Convert to fraction form
    740,041.14/1,021,262.46 = 434,122.56/x
  3. Step 3: Cross multiply
    740,041.14x = 1,021,262.46 × 434,122.56
  4. Step 4: Simplify right side
    740,041.14x = 443,353,073,567.10
  5. Step 5: Solve for x
    x = 443,353,073,567.10/740,041.14
  6. Step 6: Final answer
    x = 599,092.47

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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.