Home / 980,812.80-1,353,628.80-598,838.40

Finding the Fourth Proportional to 980,812.80, 1,353,628.80 and 598,838.40

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Solution

The fourth proportional to 980,812.80, 1,353,628.80 and 598,838.40 is: 826,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,812.80 : 1,353,628.80 = 598,838.40 : x
  2. Step 2: Convert to fraction form
    980,812.80/1,353,628.80 = 598,838.40/x
  3. Step 3: Cross multiply
    980,812.80x = 1,353,628.80 × 598,838.40
  4. Step 4: Simplify right side
    980,812.80x = 810,604,904,785.92
  5. Step 5: Solve for x
    x = 810,604,904,785.92/980,812.80
  6. Step 6: Final answer
    x = 826,462.40

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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.