Home / 829,075.82-1,244,284.02-429,830.82

Finding the Fourth Proportional to 829,075.82, 1,244,284.02 and 429,830.82

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Solution

The fourth proportional to 829,075.82, 1,244,284.02 and 429,830.82 is: 645,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,075.82 : 1,244,284.02 = 429,830.82 : x
  2. Step 2: Convert to fraction form
    829,075.82/1,244,284.02 = 429,830.82/x
  3. Step 3: Cross multiply
    829,075.82x = 1,244,284.02 × 429,830.82
  4. Step 4: Simplify right side
    829,075.82x = 534,831,620,629.50
  5. Step 5: Solve for x
    x = 534,831,620,629.50/829,075.82
  6. Step 6: Final answer
    x = 645,093.74

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1.5x scale

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.