Home / 748,021.37-1,121,707.67-410,960.93

Finding the Fourth Proportional to 748,021.37, 1,121,707.67 and 410,960.93

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Solution

The fourth proportional to 748,021.37, 1,121,707.67 and 410,960.93 is: 616,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,021.37 : 1,121,707.67 = 410,960.93 : x
  2. Step 2: Convert to fraction form
    748,021.37/1,121,707.67 = 410,960.93/x
  3. Step 3: Cross multiply
    748,021.37x = 1,121,707.67 × 410,960.93
  4. Step 4: Simplify right side
    748,021.37x = 460,978,019,587.99
  5. Step 5: Solve for x
    x = 460,978,019,587.99/748,021.37
  6. Step 6: Final answer
    x = 616,263.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.