Home / 972,774.36-1,342,042.83-649,973.16

Finding the Fourth Proportional to 972,774.36, 1,342,042.83 and 649,973.16

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Solution

The fourth proportional to 972,774.36, 1,342,042.83 and 649,973.16 is: 896,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,774.36 : 1,342,042.83 = 649,973.16 : x
  2. Step 2: Convert to fraction form
    972,774.36/1,342,042.83 = 649,973.16/x
  3. Step 3: Cross multiply
    972,774.36x = 1,342,042.83 × 649,973.16
  4. Step 4: Simplify right side
    972,774.36x = 872,291,819,070.44
  5. Step 5: Solve for x
    x = 872,291,819,070.44/972,774.36
  6. Step 6: Final answer
    x = 896,705.19

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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.