Home / 940,725.64-1,298,211.06-511,014.28

Finding the Fourth Proportional to 940,725.64, 1,298,211.06 and 511,014.28

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Solution

The fourth proportional to 940,725.64, 1,298,211.06 and 511,014.28 is: 705,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,725.64 : 1,298,211.06 = 511,014.28 : x
  2. Step 2: Convert to fraction form
    940,725.64/1,298,211.06 = 511,014.28/x
  3. Step 3: Cross multiply
    940,725.64x = 1,298,211.06 × 511,014.28
  4. Step 4: Simplify right side
    940,725.64x = 663,404,390,113.94
  5. Step 5: Solve for x
    x = 663,404,390,113.94/940,725.64
  6. Step 6: Final answer
    x = 705,204.96

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Double scale
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1.5x scale

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.