Home / 786,372.04-1,179,561.10-239,269.80

Finding the Fourth Proportional to 786,372.04, 1,179,561.10 and 239,269.80

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Solution

The fourth proportional to 786,372.04, 1,179,561.10 and 239,269.80 is: 358,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,372.04 : 1,179,561.10 = 239,269.80 : x
  2. Step 2: Convert to fraction form
    786,372.04/1,179,561.10 = 239,269.80/x
  3. Step 3: Cross multiply
    786,372.04x = 1,179,561.10 × 239,269.80
  4. Step 4: Simplify right side
    786,372.04x = 282,233,348,484.78
  5. Step 5: Solve for x
    x = 282,233,348,484.78/786,372.04
  6. Step 6: Final answer
    x = 358,905.62

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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.