Home / 870,968.08-1,201,918.16-488,994.72

Finding the Fourth Proportional to 870,968.08, 1,201,918.16 and 488,994.72

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Solution

The fourth proportional to 870,968.08, 1,201,918.16 and 488,994.72 is: 674,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,968.08 : 1,201,918.16 = 488,994.72 : x
  2. Step 2: Convert to fraction form
    870,968.08/1,201,918.16 = 488,994.72/x
  3. Step 3: Cross multiply
    870,968.08x = 1,201,918.16 × 488,994.72
  4. Step 4: Simplify right side
    870,968.08x = 587,731,634,112.12
  5. Step 5: Solve for x
    x = 587,731,634,112.12/870,968.08
  6. Step 6: Final answer
    x = 674,802.73

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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.