Home / 679,901.44-1,019,968.80-364,273.60

Finding the Fourth Proportional to 679,901.44, 1,019,968.80 and 364,273.60

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Solution

The fourth proportional to 679,901.44, 1,019,968.80 and 364,273.60 is: 546,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,901.44 : 1,019,968.80 = 364,273.60 : x
  2. Step 2: Convert to fraction form
    679,901.44/1,019,968.80 = 364,273.60/x
  3. Step 3: Cross multiply
    679,901.44x = 1,019,968.80 × 364,273.60
  4. Step 4: Simplify right side
    679,901.44x = 371,547,706,663.68
  5. Step 5: Solve for x
    x = 371,547,706,663.68/679,901.44
  6. Step 6: Final answer
    x = 546,472.89

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.