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Finding the Fourth Proportional to 618,159.24, 853,162.61 and 424,408.46

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Solution

The fourth proportional to 618,159.24, 853,162.61 and 424,408.46 is: 585,754.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,159.24 : 853,162.61 = 424,408.46 : x
  2. Step 2: Convert to fraction form
    618,159.24/853,162.61 = 424,408.46/x
  3. Step 3: Cross multiply
    618,159.24x = 853,162.61 × 424,408.46
  4. Step 4: Simplify right side
    618,159.24x = 362,089,423,051.83
  5. Step 5: Solve for x
    x = 362,089,423,051.83/618,159.24
  6. Step 6: Final answer
    x = 585,754.28

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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.