Home / 972,923.23-1,342,636.66-543,218.74

Finding the Fourth Proportional to 972,923.23, 1,342,636.66 and 543,218.74

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Solution

The fourth proportional to 972,923.23, 1,342,636.66 and 543,218.74 is: 749,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,923.23 : 1,342,636.66 = 543,218.74 : x
  2. Step 2: Convert to fraction form
    972,923.23/1,342,636.66 = 543,218.74/x
  3. Step 3: Cross multiply
    972,923.23x = 1,342,636.66 × 543,218.74
  4. Step 4: Simplify right side
    972,923.23x = 729,345,392,045.44
  5. Step 5: Solve for x
    x = 729,345,392,045.44/972,923.23
  6. Step 6: Final answer
    x = 749,643.31

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1.5x scale

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.