Home / 694,564.56-1,047,052.86-648,271.20

Finding the Fourth Proportional to 694,564.56, 1,047,052.86 and 648,271.20

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Solution

The fourth proportional to 694,564.56, 1,047,052.86 and 648,271.20 is: 977,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,564.56 : 1,047,052.86 = 648,271.20 : x
  2. Step 2: Convert to fraction form
    694,564.56/1,047,052.86 = 648,271.20/x
  3. Step 3: Cross multiply
    694,564.56x = 1,047,052.86 × 648,271.20
  4. Step 4: Simplify right side
    694,564.56x = 678,774,214,015.63
  5. Step 5: Solve for x
    x = 678,774,214,015.63/694,564.56
  6. Step 6: Final answer
    x = 977,265.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.