Home / 699,890.40-1,048,280.40-575,474.40

Finding the Fourth Proportional to 699,890.40, 1,048,280.40 and 575,474.40

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Solution

The fourth proportional to 699,890.40, 1,048,280.40 and 575,474.40 is: 861,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,890.40 : 1,048,280.40 = 575,474.40 : x
  2. Step 2: Convert to fraction form
    699,890.40/1,048,280.40 = 575,474.40/x
  3. Step 3: Cross multiply
    699,890.40x = 1,048,280.40 × 575,474.40
  4. Step 4: Simplify right side
    699,890.40x = 603,258,534,221.76
  5. Step 5: Solve for x
    x = 603,258,534,221.76/699,890.40
  6. Step 6: Final answer
    x = 861,932.86

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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.