Home / 753,663.55-1,040,043.90-414,124.51

Finding the Fourth Proportional to 753,663.55, 1,040,043.90 and 414,124.51

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Solution

The fourth proportional to 753,663.55, 1,040,043.90 and 414,124.51 is: 571,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,663.55 : 1,040,043.90 = 414,124.51 : x
  2. Step 2: Convert to fraction form
    753,663.55/1,040,043.90 = 414,124.51/x
  3. Step 3: Cross multiply
    753,663.55x = 1,040,043.90 × 414,124.51
  4. Step 4: Simplify right side
    753,663.55x = 430,707,670,465.99
  5. Step 5: Solve for x
    x = 430,707,670,465.99/753,663.55
  6. Step 6: Final answer
    x = 571,485.34

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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.