Home / 980,336.52-1,470,595.68-381,343.32

Finding the Fourth Proportional to 980,336.52, 1,470,595.68 and 381,343.32

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Solution

The fourth proportional to 980,336.52, 1,470,595.68 and 381,343.32 is: 572,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,336.52 : 1,470,595.68 = 381,343.32 : x
  2. Step 2: Convert to fraction form
    980,336.52/1,470,595.68 = 381,343.32/x
  3. Step 3: Cross multiply
    980,336.52x = 1,470,595.68 × 381,343.32
  4. Step 4: Simplify right side
    980,336.52x = 560,801,838,988.86
  5. Step 5: Solve for x
    x = 560,801,838,988.86/980,336.52
  6. Step 6: Final answer
    x = 572,050.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.