Home / 779,385.51-1,075,246.02-452,642.94

Finding the Fourth Proportional to 779,385.51, 1,075,246.02 and 452,642.94

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Solution

The fourth proportional to 779,385.51, 1,075,246.02 and 452,642.94 is: 624,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,385.51 : 1,075,246.02 = 452,642.94 : x
  2. Step 2: Convert to fraction form
    779,385.51/1,075,246.02 = 452,642.94/x
  3. Step 3: Cross multiply
    779,385.51x = 1,075,246.02 × 452,642.94
  4. Step 4: Simplify right side
    779,385.51x = 486,702,519,716.10
  5. Step 5: Solve for x
    x = 486,702,519,716.10/779,385.51
  6. Step 6: Final answer
    x = 624,469.55

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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.