Home / 855,328.14-1,180,343.82-462,852.48

Finding the Fourth Proportional to 855,328.14, 1,180,343.82 and 462,852.48

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Solution

The fourth proportional to 855,328.14, 1,180,343.82 and 462,852.48 is: 638,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,328.14 : 1,180,343.82 = 462,852.48 : x
  2. Step 2: Convert to fraction form
    855,328.14/1,180,343.82 = 462,852.48/x
  3. Step 3: Cross multiply
    855,328.14x = 1,180,343.82 × 462,852.48
  4. Step 4: Simplify right side
    855,328.14x = 546,325,064,339.67
  5. Step 5: Solve for x
    x = 546,325,064,339.67/855,328.14
  6. Step 6: Final answer
    x = 638,731.54

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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.