Home / 780,881.36-1,075,381.30-732,222.42

Finding the Fourth Proportional to 780,881.36, 1,075,381.30 and 732,222.42

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Solution

The fourth proportional to 780,881.36, 1,075,381.30 and 732,222.42 is: 1,008,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,881.36 : 1,075,381.30 = 732,222.42 : x
  2. Step 2: Convert to fraction form
    780,881.36/1,075,381.30 = 732,222.42/x
  3. Step 3: Cross multiply
    780,881.36x = 1,075,381.30 × 732,222.42
  4. Step 4: Simplify right side
    780,881.36x = 787,418,297,908.75
  5. Step 5: Solve for x
    x = 787,418,297,908.75/780,881.36
  6. Step 6: Final answer
    x = 1,008,371.23

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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.