Home / 972,923.04-1,342,636.41-543,218.55

Finding the Fourth Proportional to 972,923.04, 1,342,636.41 and 543,218.55

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Solution

The fourth proportional to 972,923.04, 1,342,636.41 and 543,218.55 is: 749,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,923.04 : 1,342,636.41 = 543,218.55 : x
  2. Step 2: Convert to fraction form
    972,923.04/1,342,636.41 = 543,218.55/x
  3. Step 3: Cross multiply
    972,923.04x = 1,342,636.41 × 543,218.55
  4. Step 4: Simplify right side
    972,923.04x = 729,345,003,817.41
  5. Step 5: Solve for x
    x = 729,345,003,817.41/972,923.04
  6. Step 6: Final answer
    x = 749,643.06

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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.