Home / 698,421.36-1,047,657.96-225,113.52

Finding the Fourth Proportional to 698,421.36, 1,047,657.96 and 225,113.52

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Solution

The fourth proportional to 698,421.36, 1,047,657.96 and 225,113.52 is: 337,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,421.36 : 1,047,657.96 = 225,113.52 : x
  2. Step 2: Convert to fraction form
    698,421.36/1,047,657.96 = 225,113.52/x
  3. Step 3: Cross multiply
    698,421.36x = 1,047,657.96 × 225,113.52
  4. Step 4: Simplify right side
    698,421.36x = 235,841,971,131.62
  5. Step 5: Solve for x
    x = 235,841,971,131.62/698,421.36
  6. Step 6: Final answer
    x = 337,678.63

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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.