Home / 790,347.26-1,185,522.72-455,575.88

Finding the Fourth Proportional to 790,347.26, 1,185,522.72 and 455,575.88

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Solution

The fourth proportional to 790,347.26, 1,185,522.72 and 455,575.88 is: 683,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,347.26 : 1,185,522.72 = 455,575.88 : x
  2. Step 2: Convert to fraction form
    790,347.26/1,185,522.72 = 455,575.88/x
  3. Step 3: Cross multiply
    790,347.26x = 1,185,522.72 × 455,575.88
  4. Step 4: Simplify right side
    790,347.26x = 540,095,556,423.99
  5. Step 5: Solve for x
    x = 540,095,556,423.99/790,347.26
  6. Step 6: Final answer
    x = 683,364.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.