Home / 769,289.70-1,152,379.35-517,347.30

Finding the Fourth Proportional to 769,289.70, 1,152,379.35 and 517,347.30

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Solution

The fourth proportional to 769,289.70, 1,152,379.35 and 517,347.30 is: 774,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,289.70 : 1,152,379.35 = 517,347.30 : x
  2. Step 2: Convert to fraction form
    769,289.70/1,152,379.35 = 517,347.30/x
  3. Step 3: Cross multiply
    769,289.70x = 1,152,379.35 × 517,347.30
  4. Step 4: Simplify right side
    769,289.70x = 596,180,345,298.26
  5. Step 5: Solve for x
    x = 596,180,345,298.26/769,289.70
  6. Step 6: Final answer
    x = 774,975.08

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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.