Home / 785,879.16-1,179,276.14-330,437.41

Finding the Fourth Proportional to 785,879.16, 1,179,276.14 and 330,437.41

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Solution

The fourth proportional to 785,879.16, 1,179,276.14 and 330,437.41 is: 495,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,879.16 : 1,179,276.14 = 330,437.41 : x
  2. Step 2: Convert to fraction form
    785,879.16/1,179,276.14 = 330,437.41/x
  3. Step 3: Cross multiply
    785,879.16x = 1,179,276.14 × 330,437.41
  4. Step 4: Simplify right side
    785,879.16x = 389,676,955,300.03
  5. Step 5: Solve for x
    x = 389,676,955,300.03/785,879.16
  6. Step 6: Final answer
    x = 495,848.44

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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.