Home / 810,182.60-1,118,063.71-447,614.82

Finding the Fourth Proportional to 810,182.60, 1,118,063.71 and 447,614.82

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Solution

The fourth proportional to 810,182.60, 1,118,063.71 and 447,614.82 is: 617,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,182.60 : 1,118,063.71 = 447,614.82 : x
  2. Step 2: Convert to fraction form
    810,182.60/1,118,063.71 = 447,614.82/x
  3. Step 3: Cross multiply
    810,182.60x = 1,118,063.71 × 447,614.82
  4. Step 4: Simplify right side
    810,182.60x = 500,461,886,300.18
  5. Step 5: Solve for x
    x = 500,461,886,300.18/810,182.60
  6. Step 6: Final answer
    x = 617,714.93

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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.