Home / 934,302.80-1,400,789.90-447,427.40

Finding the Fourth Proportional to 934,302.80, 1,400,789.90 and 447,427.40

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Solution

The fourth proportional to 934,302.80, 1,400,789.90 and 447,427.40 is: 670,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,302.80 : 1,400,789.90 = 447,427.40 : x
  2. Step 2: Convert to fraction form
    934,302.80/1,400,789.90 = 447,427.40/x
  3. Step 3: Cross multiply
    934,302.80x = 1,400,789.90 × 447,427.40
  4. Step 4: Simplify right side
    934,302.80x = 626,751,777,017.88
  5. Step 5: Solve for x
    x = 626,751,777,017.88/934,302.80
  6. Step 6: Final answer
    x = 670,822.97

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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.