Home / 972,783.36-1,342,055.25-649,982.16

Finding the Fourth Proportional to 972,783.36, 1,342,055.25 and 649,982.16

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Solution

The fourth proportional to 972,783.36, 1,342,055.25 and 649,982.16 is: 896,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,783.36 : 1,342,055.25 = 649,982.16 : x
  2. Step 2: Convert to fraction form
    972,783.36/1,342,055.25 = 649,982.16/x
  3. Step 3: Cross multiply
    972,783.36x = 1,342,055.25 × 649,982.16
  4. Step 4: Simplify right side
    972,783.36x = 872,311,970,234.34
  5. Step 5: Solve for x
    x = 872,311,970,234.34/972,783.36
  6. Step 6: Final answer
    x = 896,717.61

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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.