Home / 779,064.12-1,075,136.22-452,352.60

Finding the Fourth Proportional to 779,064.12, 1,075,136.22 and 452,352.60

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Solution

The fourth proportional to 779,064.12, 1,075,136.22 and 452,352.60 is: 624,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,064.12 : 1,075,136.22 = 452,352.60 : x
  2. Step 2: Convert to fraction form
    779,064.12/1,075,136.22 = 452,352.60/x
  3. Step 3: Cross multiply
    779,064.12x = 1,075,136.22 × 452,352.60
  4. Step 4: Simplify right side
    779,064.12x = 486,340,664,471.17
  5. Step 5: Solve for x
    x = 486,340,664,471.17/779,064.12
  6. Step 6: Final answer
    x = 624,262.69

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Double scale
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1.5x scale

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.