Home / 785,203.84-1,177,780.64-330,036.24

Finding the Fourth Proportional to 785,203.84, 1,177,780.64 and 330,036.24

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Solution

The fourth proportional to 785,203.84, 1,177,780.64 and 330,036.24 is: 495,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,203.84 : 1,177,780.64 = 330,036.24 : x
  2. Step 2: Convert to fraction form
    785,203.84/1,177,780.64 = 330,036.24/x
  3. Step 3: Cross multiply
    785,203.84x = 1,177,780.64 × 330,036.24
  4. Step 4: Simplify right side
    785,203.84x = 388,710,293,970.39
  5. Step 5: Solve for x
    x = 388,710,293,970.39/785,203.84
  6. Step 6: Final answer
    x = 495,043.80

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1.5x scale

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.