Home / 790,200.98-1,090,477.30-427,624.80

Finding the Fourth Proportional to 790,200.98, 1,090,477.30 and 427,624.80

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Solution

The fourth proportional to 790,200.98, 1,090,477.30 and 427,624.80 is: 590,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,200.98 : 1,090,477.30 = 427,624.80 : x
  2. Step 2: Convert to fraction form
    790,200.98/1,090,477.30 = 427,624.80/x
  3. Step 3: Cross multiply
    790,200.98x = 1,090,477.30 × 427,624.80
  4. Step 4: Simplify right side
    790,200.98x = 466,315,137,317.04
  5. Step 5: Solve for x
    x = 466,315,137,317.04/790,200.98
  6. Step 6: Final answer
    x = 590,122.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.