Home / 785,436.67-1,178,131.45-216,852.48

Finding the Fourth Proportional to 785,436.67, 1,178,131.45 and 216,852.48

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Solution

The fourth proportional to 785,436.67, 1,178,131.45 and 216,852.48 is: 325,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,436.67 : 1,178,131.45 = 216,852.48 : x
  2. Step 2: Convert to fraction form
    785,436.67/1,178,131.45 = 216,852.48/x
  3. Step 3: Cross multiply
    785,436.67x = 1,178,131.45 × 216,852.48
  4. Step 4: Simplify right side
    785,436.67x = 255,480,726,698.50
  5. Step 5: Solve for x
    x = 255,480,726,698.50/785,436.67
  6. Step 6: Final answer
    x = 325,272.22

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Double scale
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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.