Home / 948,625.35-1,423,037.70-308,978.89

Finding the Fourth Proportional to 948,625.35, 1,423,037.70 and 308,978.89

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Solution

The fourth proportional to 948,625.35, 1,423,037.70 and 308,978.89 is: 463,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,625.35 : 1,423,037.70 = 308,978.89 : x
  2. Step 2: Convert to fraction form
    948,625.35/1,423,037.70 = 308,978.89/x
  3. Step 3: Cross multiply
    948,625.35x = 1,423,037.70 × 308,978.89
  4. Step 4: Simplify right side
    948,625.35x = 439,688,608,974.15
  5. Step 5: Solve for x
    x = 439,688,608,974.15/948,625.35
  6. Step 6: Final answer
    x = 463,500.80

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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.