Home / 993,889.20-1,490,846.76-283,940.40

Finding the Fourth Proportional to 993,889.20, 1,490,846.76 and 283,940.40

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Solution

The fourth proportional to 993,889.20, 1,490,846.76 and 283,940.40 is: 425,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,889.20 : 1,490,846.76 = 283,940.40 : x
  2. Step 2: Convert to fraction form
    993,889.20/1,490,846.76 = 283,940.40/x
  3. Step 3: Cross multiply
    993,889.20x = 1,490,846.76 × 283,940.40
  4. Step 4: Simplify right side
    993,889.20x = 423,311,625,373.10
  5. Step 5: Solve for x
    x = 423,311,625,373.10/993,889.20
  6. Step 6: Final answer
    x = 425,914.30

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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.