Home / 972,923.28-1,342,621.06-543,210

Finding the Fourth Proportional to 972,923.28, 1,342,621.06 and 543,210

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Solution

The fourth proportional to 972,923.28, 1,342,621.06 and 543,210 is: 749,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,923.28 : 1,342,621.06 = 543,210 : x
  2. Step 2: Convert to fraction form
    972,923.28/1,342,621.06 = 543,210/x
  3. Step 3: Cross multiply
    972,923.28x = 1,342,621.06 × 543,210
  4. Step 4: Simplify right side
    972,923.28x = 729,325,186,002.60
  5. Step 5: Solve for x
    x = 729,325,186,002.60/972,923.28
  6. Step 6: Final answer
    x = 749,622.50

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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.