Home / 980,595.43-1,353,256.38-545,021.46

Finding the Fourth Proportional to 980,595.43, 1,353,256.38 and 545,021.46

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Solution

The fourth proportional to 980,595.43, 1,353,256.38 and 545,021.46 is: 752,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,595.43 : 1,353,256.38 = 545,021.46 : x
  2. Step 2: Convert to fraction form
    980,595.43/1,353,256.38 = 545,021.46/x
  3. Step 3: Cross multiply
    980,595.43x = 1,353,256.38 × 545,021.46
  4. Step 4: Simplify right side
    980,595.43x = 737,553,767,981.92
  5. Step 5: Solve for x
    x = 737,553,767,981.92/980,595.43
  6. Step 6: Final answer
    x = 752,148.89

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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.