Home / 779,539.46-1,075,171.68-670,827.03

Finding the Fourth Proportional to 779,539.46, 1,075,171.68 and 670,827.03

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Solution

The fourth proportional to 779,539.46, 1,075,171.68 and 670,827.03 is: 925,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,539.46 : 1,075,171.68 = 670,827.03 : x
  2. Step 2: Convert to fraction form
    779,539.46/1,075,171.68 = 670,827.03/x
  3. Step 3: Cross multiply
    779,539.46x = 1,075,171.68 × 670,827.03
  4. Step 4: Simplify right side
    779,539.46x = 721,254,221,480.38
  5. Step 5: Solve for x
    x = 721,254,221,480.38/779,539.46
  6. Step 6: Final answer
    x = 925,231.19

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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.