Home / 698,796.90-1,047,126.15-470,246.13

Finding the Fourth Proportional to 698,796.90, 1,047,126.15 and 470,246.13

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Solution

The fourth proportional to 698,796.90, 1,047,126.15 and 470,246.13 is: 704,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,796.90 : 1,047,126.15 = 470,246.13 : x
  2. Step 2: Convert to fraction form
    698,796.90/1,047,126.15 = 470,246.13/x
  3. Step 3: Cross multiply
    698,796.90x = 1,047,126.15 × 470,246.13
  4. Step 4: Simplify right side
    698,796.90x = 492,407,019,659.30
  5. Step 5: Solve for x
    x = 492,407,019,659.30/698,796.90
  6. Step 6: Final answer
    x = 704,649.69

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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.