Home / 790,613.10-1,091,054.88-428,044.86

Finding the Fourth Proportional to 790,613.10, 1,091,054.88 and 428,044.86

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Solution

The fourth proportional to 790,613.10, 1,091,054.88 and 428,044.86 is: 590,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,613.10 : 1,091,054.88 = 428,044.86 : x
  2. Step 2: Convert to fraction form
    790,613.10/1,091,054.88 = 428,044.86/x
  3. Step 3: Cross multiply
    790,613.10x = 1,091,054.88 × 428,044.86
  4. Step 4: Simplify right side
    790,613.10x = 467,020,433,361.92
  5. Step 5: Solve for x
    x = 467,020,433,361.92/790,613.10
  6. Step 6: Final answer
    x = 590,706.67

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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.