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Finding the Fourth Proportional to 804,924.80, 1,206,004.80 and 425,283.20

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Solution

The fourth proportional to 804,924.80, 1,206,004.80 and 425,283.20 is: 637,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,924.80 : 1,206,004.80 = 425,283.20 : x
  2. Step 2: Convert to fraction form
    804,924.80/1,206,004.80 = 425,283.20/x
  3. Step 3: Cross multiply
    804,924.80x = 1,206,004.80 × 425,283.20
  4. Step 4: Simplify right side
    804,924.80x = 512,893,580,559.36
  5. Step 5: Solve for x
    x = 512,893,580,559.36/804,924.80
  6. Step 6: Final answer
    x = 637,194.41

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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.