Home / 886,688.37-1,330,219.59-287,603.01

Finding the Fourth Proportional to 886,688.37, 1,330,219.59 and 287,603.01

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Solution

The fourth proportional to 886,688.37, 1,330,219.59 and 287,603.01 is: 431,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,688.37 : 1,330,219.59 = 287,603.01 : x
  2. Step 2: Convert to fraction form
    886,688.37/1,330,219.59 = 287,603.01/x
  3. Step 3: Cross multiply
    886,688.37x = 1,330,219.59 × 287,603.01
  4. Step 4: Simplify right side
    886,688.37x = 382,575,158,044.97
  5. Step 5: Solve for x
    x = 382,575,158,044.97/886,688.37
  6. Step 6: Final answer
    x = 431,465.18

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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.