Home / 738,238.54-1,018,301.07-465,830.68

Finding the Fourth Proportional to 738,238.54, 1,018,301.07 and 465,830.68

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Solution

The fourth proportional to 738,238.54, 1,018,301.07 and 465,830.68 is: 642,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,238.54 : 1,018,301.07 = 465,830.68 : x
  2. Step 2: Convert to fraction form
    738,238.54/1,018,301.07 = 465,830.68/x
  3. Step 3: Cross multiply
    738,238.54x = 1,018,301.07 × 465,830.68
  4. Step 4: Simplify right side
    738,238.54x = 474,355,879,882.83
  5. Step 5: Solve for x
    x = 474,355,879,882.83/738,238.54
  6. Step 6: Final answer
    x = 642,550.96

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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.