Home / 683,237.60-1,024,856.40-644,530.40

Finding the Fourth Proportional to 683,237.60, 1,024,856.40 and 644,530.40

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Solution

The fourth proportional to 683,237.60, 1,024,856.40 and 644,530.40 is: 966,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,237.60 : 1,024,856.40 = 644,530.40 : x
  2. Step 2: Convert to fraction form
    683,237.60/1,024,856.40 = 644,530.40/x
  3. Step 3: Cross multiply
    683,237.60x = 1,024,856.40 × 644,530.40
  4. Step 4: Simplify right side
    683,237.60x = 660,551,105,434.56
  5. Step 5: Solve for x
    x = 660,551,105,434.56/683,237.60
  6. Step 6: Final answer
    x = 966,795.60

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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.