Home / 972,321.36-1,341,803.72-536,738.96

Finding the Fourth Proportional to 972,321.36, 1,341,803.72 and 536,738.96

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Solution

The fourth proportional to 972,321.36, 1,341,803.72 and 536,738.96 is: 740,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,321.36 : 1,341,803.72 = 536,738.96 : x
  2. Step 2: Convert to fraction form
    972,321.36/1,341,803.72 = 536,738.96/x
  3. Step 3: Cross multiply
    972,321.36x = 1,341,803.72 × 536,738.96
  4. Step 4: Simplify right side
    972,321.36x = 720,198,333,196.93
  5. Step 5: Solve for x
    x = 720,198,333,196.93/972,321.36
  6. Step 6: Final answer
    x = 740,699.90

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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.