Home / 785,904.84-1,179,314.70-330,463.14

Finding the Fourth Proportional to 785,904.84, 1,179,314.70 and 330,463.14

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Solution

The fourth proportional to 785,904.84, 1,179,314.70 and 330,463.14 is: 495,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,904.84 : 1,179,314.70 = 330,463.14 : x
  2. Step 2: Convert to fraction form
    785,904.84/1,179,314.70 = 330,463.14/x
  3. Step 3: Cross multiply
    785,904.84x = 1,179,314.70 × 330,463.14
  4. Step 4: Simplify right side
    785,904.84x = 389,720,038,810.16
  5. Step 5: Solve for x
    x = 389,720,038,810.16/785,904.84
  6. Step 6: Final answer
    x = 495,887.06

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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.