Home / 940,985.76-1,298,572.14-511,273.08

Finding the Fourth Proportional to 940,985.76, 1,298,572.14 and 511,273.08

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Solution

The fourth proportional to 940,985.76, 1,298,572.14 and 511,273.08 is: 705,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,985.76 : 1,298,572.14 = 511,273.08 : x
  2. Step 2: Convert to fraction form
    940,985.76/1,298,572.14 = 511,273.08/x
  3. Step 3: Cross multiply
    940,985.76x = 1,298,572.14 × 511,273.08
  4. Step 4: Simplify right side
    940,985.76x = 663,924,977,619.99
  5. Step 5: Solve for x
    x = 663,924,977,619.99/940,985.76
  6. Step 6: Final answer
    x = 705,563.26

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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.