Home / 704,475.72-1,054,311.12-448,178.76

Finding the Fourth Proportional to 704,475.72, 1,054,311.12 and 448,178.76

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Solution

The fourth proportional to 704,475.72, 1,054,311.12 and 448,178.76 is: 670,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,475.72 : 1,054,311.12 = 448,178.76 : x
  2. Step 2: Convert to fraction form
    704,475.72/1,054,311.12 = 448,178.76/x
  3. Step 3: Cross multiply
    704,475.72x = 1,054,311.12 × 448,178.76
  4. Step 4: Simplify right side
    704,475.72x = 472,519,850,415.81
  5. Step 5: Solve for x
    x = 472,519,850,415.81/704,475.72
  6. Step 6: Final answer
    x = 670,739.72

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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.