Home / 698,969.46-1,048,455.27-299,578.98

Finding the Fourth Proportional to 698,969.46, 1,048,455.27 and 299,578.98

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Solution

The fourth proportional to 698,969.46, 1,048,455.27 and 299,578.98 is: 449,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,969.46 : 1,048,455.27 = 299,578.98 : x
  2. Step 2: Convert to fraction form
    698,969.46/1,048,455.27 = 299,578.98/x
  3. Step 3: Cross multiply
    698,969.46x = 1,048,455.27 × 299,578.98
  4. Step 4: Simplify right side
    698,969.46x = 314,095,160,362.23
  5. Step 5: Solve for x
    x = 314,095,160,362.23/698,969.46
  6. Step 6: Final answer
    x = 449,368.93

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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.