Home / 727,676.60-1,004,267.58-405,439.16

Finding the Fourth Proportional to 727,676.60, 1,004,267.58 and 405,439.16

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Solution

The fourth proportional to 727,676.60, 1,004,267.58 and 405,439.16 is: 559,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,676.60 : 1,004,267.58 = 405,439.16 : x
  2. Step 2: Convert to fraction form
    727,676.60/1,004,267.58 = 405,439.16/x
  3. Step 3: Cross multiply
    727,676.60x = 1,004,267.58 × 405,439.16
  4. Step 4: Simplify right side
    727,676.60x = 407,169,404,050.43
  5. Step 5: Solve for x
    x = 407,169,404,050.43/727,676.60
  6. Step 6: Final answer
    x = 559,547.20

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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.