Home / 790,925.01-1,091,470.35-428,340.48

Finding the Fourth Proportional to 790,925.01, 1,091,470.35 and 428,340.48

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Solution

The fourth proportional to 790,925.01, 1,091,470.35 and 428,340.48 is: 591,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,925.01 : 1,091,470.35 = 428,340.48 : x
  2. Step 2: Convert to fraction form
    790,925.01/1,091,470.35 = 428,340.48/x
  3. Step 3: Cross multiply
    790,925.01x = 1,091,470.35 × 428,340.48
  4. Step 4: Simplify right side
    790,925.01x = 467,520,933,624.77
  5. Step 5: Solve for x
    x = 467,520,933,624.77/790,925.01
  6. Step 6: Final answer
    x = 591,106.52

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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.