Home / 698,427.95-962,911.29-456,289.79

Finding the Fourth Proportional to 698,427.95, 962,911.29 and 456,289.79

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Solution

The fourth proportional to 698,427.95, 962,911.29 and 456,289.79 is: 629,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,427.95 : 962,911.29 = 456,289.79 : x
  2. Step 2: Convert to fraction form
    698,427.95/962,911.29 = 456,289.79/x
  3. Step 3: Cross multiply
    698,427.95x = 962,911.29 × 456,289.79
  4. Step 4: Simplify right side
    698,427.95x = 439,366,590,302.73
  5. Step 5: Solve for x
    x = 439,366,590,302.73/698,427.95
  6. Step 6: Final answer
    x = 629,079.33

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.