Home / 745,580.26-1,028,929.89-423,320.34

Finding the Fourth Proportional to 745,580.26, 1,028,929.89 and 423,320.34

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Solution

The fourth proportional to 745,580.26, 1,028,929.89 and 423,320.34 is: 584,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,580.26 : 1,028,929.89 = 423,320.34 : x
  2. Step 2: Convert to fraction form
    745,580.26/1,028,929.89 = 423,320.34/x
  3. Step 3: Cross multiply
    745,580.26x = 1,028,929.89 × 423,320.34
  4. Step 4: Simplify right side
    745,580.26x = 435,566,953,935.72
  5. Step 5: Solve for x
    x = 435,566,953,935.72/745,580.26
  6. Step 6: Final answer
    x = 584,198.61

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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.