Home / 698,488.72-1,052,400.53-631,099.08

Finding the Fourth Proportional to 698,488.72, 1,052,400.53 and 631,099.08

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Solution

The fourth proportional to 698,488.72, 1,052,400.53 and 631,099.08 is: 950,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,488.72 : 1,052,400.53 = 631,099.08 : x
  2. Step 2: Convert to fraction form
    698,488.72/1,052,400.53 = 631,099.08/x
  3. Step 3: Cross multiply
    698,488.72x = 1,052,400.53 × 631,099.08
  4. Step 4: Simplify right side
    698,488.72x = 664,169,007,852.26
  5. Step 5: Solve for x
    x = 664,169,007,852.26/698,488.72
  6. Step 6: Final answer
    x = 950,865.76

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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.