Home / 738,412.92-1,107,603.48-205,919.76

Finding the Fourth Proportional to 738,412.92, 1,107,603.48 and 205,919.76

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Solution

The fourth proportional to 738,412.92, 1,107,603.48 and 205,919.76 is: 308,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,412.92 : 1,107,603.48 = 205,919.76 : x
  2. Step 2: Convert to fraction form
    738,412.92/1,107,603.48 = 205,919.76/x
  3. Step 3: Cross multiply
    738,412.92x = 1,107,603.48 × 205,919.76
  4. Step 4: Simplify right side
    738,412.92x = 228,077,442,776.77
  5. Step 5: Solve for x
    x = 228,077,442,776.77/738,412.92
  6. Step 6: Final answer
    x = 308,875.21

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1.5x scale

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.