Home / 899,430.38-1,241,284.47-512,262.12

Finding the Fourth Proportional to 899,430.38, 1,241,284.47 and 512,262.12

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Solution

The fourth proportional to 899,430.38, 1,241,284.47 and 512,262.12 is: 706,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,430.38 : 1,241,284.47 = 512,262.12 : x
  2. Step 2: Convert to fraction form
    899,430.38/1,241,284.47 = 512,262.12/x
  3. Step 3: Cross multiply
    899,430.38x = 1,241,284.47 × 512,262.12
  4. Step 4: Simplify right side
    899,430.38x = 635,863,014,125.28
  5. Step 5: Solve for x
    x = 635,863,014,125.28/899,430.38
  6. Step 6: Final answer
    x = 706,961.90

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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.