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Finding the Fourth Proportional to 779,064, 1,075,136.28 and 452,352.60

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Solution

The fourth proportional to 779,064, 1,075,136.28 and 452,352.60 is: 624,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,064 : 1,075,136.28 = 452,352.60 : x
  2. Step 2: Convert to fraction form
    779,064/1,075,136.28 = 452,352.60/x
  3. Step 3: Cross multiply
    779,064x = 1,075,136.28 × 452,352.60
  4. Step 4: Simplify right side
    779,064x = 486,340,691,612.33
  5. Step 5: Solve for x
    x = 486,340,691,612.33/779,064
  6. Step 6: Final answer
    x = 624,262.82

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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.