Home / 724,672.90-1,087,009.35-683,338.60

Finding the Fourth Proportional to 724,672.90, 1,087,009.35 and 683,338.60

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Solution

The fourth proportional to 724,672.90, 1,087,009.35 and 683,338.60 is: 1,025,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,672.90 : 1,087,009.35 = 683,338.60 : x
  2. Step 2: Convert to fraction form
    724,672.90/1,087,009.35 = 683,338.60/x
  3. Step 3: Cross multiply
    724,672.90x = 1,087,009.35 × 683,338.60
  4. Step 4: Simplify right side
    724,672.90x = 742,795,447,415.91
  5. Step 5: Solve for x
    x = 742,795,447,415.91/724,672.90
  6. Step 6: Final answer
    x = 1,025,007.90

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1.5x scale

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.