Home / 691,262.90-1,036,894.35-407,827.70

Finding the Fourth Proportional to 691,262.90, 1,036,894.35 and 407,827.70

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Solution

The fourth proportional to 691,262.90, 1,036,894.35 and 407,827.70 is: 611,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,262.90 : 1,036,894.35 = 407,827.70 : x
  2. Step 2: Convert to fraction form
    691,262.90/1,036,894.35 = 407,827.70/x
  3. Step 3: Cross multiply
    691,262.90x = 1,036,894.35 × 407,827.70
  4. Step 4: Simplify right side
    691,262.90x = 422,874,237,903.50
  5. Step 5: Solve for x
    x = 422,874,237,903.50/691,262.90
  6. Step 6: Final answer
    x = 611,741.55

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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.