Home / 779,267.72-1,075,378.98-435,109

Finding the Fourth Proportional to 779,267.72, 1,075,378.98 and 435,109

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Solution

The fourth proportional to 779,267.72, 1,075,378.98 and 435,109 is: 600,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,267.72 : 1,075,378.98 = 435,109 : x
  2. Step 2: Convert to fraction form
    779,267.72/1,075,378.98 = 435,109/x
  3. Step 3: Cross multiply
    779,267.72x = 1,075,378.98 × 435,109
  4. Step 4: Simplify right side
    779,267.72x = 467,907,072,608.82
  5. Step 5: Solve for x
    x = 467,907,072,608.82/779,267.72
  6. Step 6: Final answer
    x = 600,444.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.