Home / 718,365.82-1,077,050.45-381,642.94

Finding the Fourth Proportional to 718,365.82, 1,077,050.45 and 381,642.94

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Solution

The fourth proportional to 718,365.82, 1,077,050.45 and 381,642.94 is: 572,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,365.82 : 1,077,050.45 = 381,642.94 : x
  2. Step 2: Convert to fraction form
    718,365.82/1,077,050.45 = 381,642.94/x
  3. Step 3: Cross multiply
    718,365.82x = 1,077,050.45 × 381,642.94
  4. Step 4: Simplify right side
    718,365.82x = 411,048,698,358.11
  5. Step 5: Solve for x
    x = 411,048,698,358.11/718,365.82
  6. Step 6: Final answer
    x = 572,199.69

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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.