Home / 759,270-1,047,701.64-419,692.08

Finding the Fourth Proportional to 759,270, 1,047,701.64 and 419,692.08

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Solution

The fourth proportional to 759,270, 1,047,701.64 and 419,692.08 is: 579,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,270 : 1,047,701.64 = 419,692.08 : x
  2. Step 2: Convert to fraction form
    759,270/1,047,701.64 = 419,692.08/x
  3. Step 3: Cross multiply
    759,270x = 1,047,701.64 × 419,692.08
  4. Step 4: Simplify right side
    759,270x = 439,712,080,511.01
  5. Step 5: Solve for x
    x = 439,712,080,511.01/759,270
  6. Step 6: Final answer
    x = 579,124.79

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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.