Home / 972,911.46-1,342,529.46-543,112.50

Finding the Fourth Proportional to 972,911.46, 1,342,529.46 and 543,112.50

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Solution

The fourth proportional to 972,911.46, 1,342,529.46 and 543,112.50 is: 749,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,911.46 : 1,342,529.46 = 543,112.50 : x
  2. Step 2: Convert to fraction form
    972,911.46/1,342,529.46 = 543,112.50/x
  3. Step 3: Cross multiply
    972,911.46x = 1,342,529.46 × 543,112.50
  4. Step 4: Simplify right side
    972,911.46x = 729,144,531,344.25
  5. Step 5: Solve for x
    x = 729,144,531,344.25/972,911.46
  6. Step 6: Final answer
    x = 749,445.93

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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.