Home / 790,602.90-1,091,032.46-428,026.86

Finding the Fourth Proportional to 790,602.90, 1,091,032.46 and 428,026.86

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Solution

The fourth proportional to 790,602.90, 1,091,032.46 and 428,026.86 is: 590,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,602.90 : 1,091,032.46 = 428,026.86 : x
  2. Step 2: Convert to fraction form
    790,602.90/1,091,032.46 = 428,026.86/x
  3. Step 3: Cross multiply
    790,602.90x = 1,091,032.46 × 428,026.86
  4. Step 4: Simplify right side
    790,602.90x = 466,991,198,011.88
  5. Step 5: Solve for x
    x = 466,991,198,011.88/790,602.90
  6. Step 6: Final answer
    x = 590,677.31

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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.