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Finding the Fourth Proportional to 704,889.23, 973,187.55 and 484,505.93

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Solution

The fourth proportional to 704,889.23, 973,187.55 and 484,505.93 is: 668,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,889.23 : 973,187.55 = 484,505.93 : x
  2. Step 2: Convert to fraction form
    704,889.23/973,187.55 = 484,505.93/x
  3. Step 3: Cross multiply
    704,889.23x = 973,187.55 × 484,505.93
  4. Step 4: Simplify right side
    704,889.23x = 471,515,134,111.23
  5. Step 5: Solve for x
    x = 471,515,134,111.23/704,889.23
  6. Step 6: Final answer
    x = 668,920.90

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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.