Home / 851,610.30-1,276,330.05-452,442.30

Finding the Fourth Proportional to 851,610.30, 1,276,330.05 and 452,442.30

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Solution

The fourth proportional to 851,610.30, 1,276,330.05 and 452,442.30 is: 678,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,610.30 : 1,276,330.05 = 452,442.30 : x
  2. Step 2: Convert to fraction form
    851,610.30/1,276,330.05 = 452,442.30/x
  3. Step 3: Cross multiply
    851,610.30x = 1,276,330.05 × 452,442.30
  4. Step 4: Simplify right side
    851,610.30x = 577,465,703,381.12
  5. Step 5: Solve for x
    x = 577,465,703,381.12/851,610.30
  6. Step 6: Final answer
    x = 678,086.80

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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.