Home / 855,017.97-1,281,802.59-374,881.89

Finding the Fourth Proportional to 855,017.97, 1,281,802.59 and 374,881.89

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Solution

The fourth proportional to 855,017.97, 1,281,802.59 and 374,881.89 is: 562,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,017.97 : 1,281,802.59 = 374,881.89 : x
  2. Step 2: Convert to fraction form
    855,017.97/1,281,802.59 = 374,881.89/x
  3. Step 3: Cross multiply
    855,017.97x = 1,281,802.59 × 374,881.89
  4. Step 4: Simplify right side
    855,017.97x = 480,524,582,352.86
  5. Step 5: Solve for x
    x = 480,524,582,352.86/855,017.97
  6. Step 6: Final answer
    x = 562,005.25

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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.