Home / 781,130.01-1,077,908.49-436,906.29

Finding the Fourth Proportional to 781,130.01, 1,077,908.49 and 436,906.29

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Solution

The fourth proportional to 781,130.01, 1,077,908.49 and 436,906.29 is: 602,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,130.01 : 1,077,908.49 = 436,906.29 : x
  2. Step 2: Convert to fraction form
    781,130.01/1,077,908.49 = 436,906.29/x
  3. Step 3: Cross multiply
    781,130.01x = 1,077,908.49 × 436,906.29
  4. Step 4: Simplify right side
    781,130.01x = 470,944,999,325.40
  5. Step 5: Solve for x
    x = 470,944,999,325.40/781,130.01
  6. Step 6: Final answer
    x = 602,902.20

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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.