Home / 990,307.63-1,485,562.13-341,799.40

Finding the Fourth Proportional to 990,307.63, 1,485,562.13 and 341,799.40

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Solution

The fourth proportional to 990,307.63, 1,485,562.13 and 341,799.40 is: 512,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,307.63 : 1,485,562.13 = 341,799.40 : x
  2. Step 2: Convert to fraction form
    990,307.63/1,485,562.13 = 341,799.40/x
  3. Step 3: Cross multiply
    990,307.63x = 1,485,562.13 × 341,799.40
  4. Step 4: Simplify right side
    990,307.63x = 507,764,248,049.05
  5. Step 5: Solve for x
    x = 507,764,248,049.05/990,307.63
  6. Step 6: Final answer
    x = 512,733.86

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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.