Home / 753,916.12-1,040,390.82-414,384.28

Finding the Fourth Proportional to 753,916.12, 1,040,390.82 and 414,384.28

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Solution

The fourth proportional to 753,916.12, 1,040,390.82 and 414,384.28 is: 571,842.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,916.12 : 1,040,390.82 = 414,384.28 : x
  2. Step 2: Convert to fraction form
    753,916.12/1,040,390.82 = 414,384.28/x
  3. Step 3: Cross multiply
    753,916.12x = 1,040,390.82 × 414,384.28
  4. Step 4: Simplify right side
    753,916.12x = 431,121,600,864.31
  5. Step 5: Solve for x
    x = 431,121,600,864.31/753,916.12
  6. Step 6: Final answer
    x = 571,842.93

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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.