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Finding the Fourth Proportional to 599,045.76, 826,678.08 and 330,768

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Solution

The fourth proportional to 599,045.76, 826,678.08 and 330,768 is: 456,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,045.76 : 826,678.08 = 330,768 : x
  2. Step 2: Convert to fraction form
    599,045.76/826,678.08 = 330,768/x
  3. Step 3: Cross multiply
    599,045.76x = 826,678.08 × 330,768
  4. Step 4: Simplify right side
    599,045.76x = 273,438,655,165.44
  5. Step 5: Solve for x
    x = 273,438,655,165.44/599,045.76
  6. Step 6: Final answer
    x = 456,457.04

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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.