Home / 646,038.36-967,991.22-375,406.83

Finding the Fourth Proportional to 646,038.36, 967,991.22 and 375,406.83

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Solution

The fourth proportional to 646,038.36, 967,991.22 and 375,406.83 is: 562,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,038.36 : 967,991.22 = 375,406.83 : x
  2. Step 2: Convert to fraction form
    646,038.36/967,991.22 = 375,406.83/x
  3. Step 3: Cross multiply
    646,038.36x = 967,991.22 × 375,406.83
  4. Step 4: Simplify right side
    646,038.36x = 363,390,515,368.03
  5. Step 5: Solve for x
    x = 363,390,515,368.03/646,038.36
  6. Step 6: Final answer
    x = 562,490.62

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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.