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Finding the Fourth Proportional to 935,467.80, 1,403,857.80 and 599,325.90

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Solution

The fourth proportional to 935,467.80, 1,403,857.80 and 599,325.90 is: 899,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,467.80 : 1,403,857.80 = 599,325.90 : x
  2. Step 2: Convert to fraction form
    935,467.80/1,403,857.80 = 599,325.90/x
  3. Step 3: Cross multiply
    935,467.80x = 1,403,857.80 × 599,325.90
  4. Step 4: Simplify right side
    935,467.80x = 841,368,339,457.02
  5. Step 5: Solve for x
    x = 841,368,339,457.02/935,467.80
  6. Step 6: Final answer
    x = 899,409.19

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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.