Home / 790,412.08-1,090,771.40-427,835.84

Finding the Fourth Proportional to 790,412.08, 1,090,771.40 and 427,835.84

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Solution

The fourth proportional to 790,412.08, 1,090,771.40 and 427,835.84 is: 590,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,412.08 : 1,090,771.40 = 427,835.84 : x
  2. Step 2: Convert to fraction form
    790,412.08/1,090,771.40 = 427,835.84/x
  3. Step 3: Cross multiply
    790,412.08x = 1,090,771.40 × 427,835.84
  4. Step 4: Simplify right side
    790,412.08x = 466,671,090,573.94
  5. Step 5: Solve for x
    x = 466,671,090,573.94/790,412.08
  6. Step 6: Final answer
    x = 590,414.93

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Double scale
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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.