Home / 779,241.25-1,075,342.44-435,082.51

Finding the Fourth Proportional to 779,241.25, 1,075,342.44 and 435,082.51

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Solution

The fourth proportional to 779,241.25, 1,075,342.44 and 435,082.51 is: 600,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,241.25 : 1,075,342.44 = 435,082.51 : x
  2. Step 2: Convert to fraction form
    779,241.25/1,075,342.44 = 435,082.51/x
  3. Step 3: Cross multiply
    779,241.25x = 1,075,342.44 × 435,082.51
  4. Step 4: Simplify right side
    779,241.25x = 467,862,687,904.72
  5. Step 5: Solve for x
    x = 467,862,687,904.72/779,241.25
  6. Step 6: Final answer
    x = 600,408.01

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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.