Home / 928,225.59-1,392,339.47-254,312.75

Finding the Fourth Proportional to 928,225.59, 1,392,339.47 and 254,312.75

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Solution

The fourth proportional to 928,225.59, 1,392,339.47 and 254,312.75 is: 381,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,225.59 : 1,392,339.47 = 254,312.75 : x
  2. Step 2: Convert to fraction form
    928,225.59/1,392,339.47 = 254,312.75/x
  3. Step 3: Cross multiply
    928,225.59x = 1,392,339.47 × 254,312.75
  4. Step 4: Simplify right side
    928,225.59x = 354,089,671,315.98
  5. Step 5: Solve for x
    x = 354,089,671,315.98/928,225.59
  6. Step 6: Final answer
    x = 381,469.41

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Double scale
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Similar ratio
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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.