Home / 790,166.20-1,090,432.22-427,590.02

Finding the Fourth Proportional to 790,166.20, 1,090,432.22 and 427,590.02

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Solution

The fourth proportional to 790,166.20, 1,090,432.22 and 427,590.02 is: 590,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,166.20 : 1,090,432.22 = 427,590.02 : x
  2. Step 2: Convert to fraction form
    790,166.20/1,090,432.22 = 427,590.02/x
  3. Step 3: Cross multiply
    790,166.20x = 1,090,432.22 × 427,590.02
  4. Step 4: Simplify right side
    790,166.20x = 466,257,933,101.34
  5. Step 5: Solve for x
    x = 466,257,933,101.34/790,166.20
  6. Step 6: Final answer
    x = 590,075.78

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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.