Home / 850,079.81-1,173,110.03-468,105.65

Finding the Fourth Proportional to 850,079.81, 1,173,110.03 and 468,105.65

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Solution

The fourth proportional to 850,079.81, 1,173,110.03 and 468,105.65 is: 645,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,079.81 : 1,173,110.03 = 468,105.65 : x
  2. Step 2: Convert to fraction form
    850,079.81/1,173,110.03 = 468,105.65/x
  3. Step 3: Cross multiply
    850,079.81x = 1,173,110.03 × 468,105.65
  4. Step 4: Simplify right side
    850,079.81x = 549,139,430,774.14
  5. Step 5: Solve for x
    x = 549,139,430,774.14/850,079.81
  6. Step 6: Final answer
    x = 645,985.73

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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.