Home / 849,389.70-1,274,091.03-310,032.57

Finding the Fourth Proportional to 849,389.70, 1,274,091.03 and 310,032.57

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Solution

The fourth proportional to 849,389.70, 1,274,091.03 and 310,032.57 is: 465,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,389.70 : 1,274,091.03 = 310,032.57 : x
  2. Step 2: Convert to fraction form
    849,389.70/1,274,091.03 = 310,032.57/x
  3. Step 3: Cross multiply
    849,389.70x = 1,274,091.03 × 310,032.57
  4. Step 4: Simplify right side
    849,389.70x = 395,009,716,444.85
  5. Step 5: Solve for x
    x = 395,009,716,444.85/849,389.70
  6. Step 6: Final answer
    x = 465,051.22

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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.