Home / 786,000.40-1,179,000.60-700,379.35

Finding the Fourth Proportional to 786,000.40, 1,179,000.60 and 700,379.35

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Solution

The fourth proportional to 786,000.40, 1,179,000.60 and 700,379.35 is: 1,050,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,000.40 : 1,179,000.60 = 700,379.35 : x
  2. Step 2: Convert to fraction form
    786,000.40/1,179,000.60 = 700,379.35/x
  3. Step 3: Cross multiply
    786,000.40x = 1,179,000.60 × 700,379.35
  4. Step 4: Simplify right side
    786,000.40x = 825,747,673,877.61
  5. Step 5: Solve for x
    x = 825,747,673,877.61/786,000.40
  6. Step 6: Final answer
    x = 1,050,569.03

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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.