Home / 702,059.40-1,053,089.10-631,200.60

Finding the Fourth Proportional to 702,059.40, 1,053,089.10 and 631,200.60

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Solution

The fourth proportional to 702,059.40, 1,053,089.10 and 631,200.60 is: 946,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,059.40 : 1,053,089.10 = 631,200.60 : x
  2. Step 2: Convert to fraction form
    702,059.40/1,053,089.10 = 631,200.60/x
  3. Step 3: Cross multiply
    702,059.40x = 1,053,089.10 × 631,200.60
  4. Step 4: Simplify right side
    702,059.40x = 664,710,471,773.46
  5. Step 5: Solve for x
    x = 664,710,471,773.46/702,059.40
  6. Step 6: Final answer
    x = 946,800.90

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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.