Home / 700,714.76-1,051,858.38-280,283.72

Finding the Fourth Proportional to 700,714.76, 1,051,858.38 and 280,283.72

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Solution

The fourth proportional to 700,714.76, 1,051,858.38 and 280,283.72 is: 420,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,714.76 : 1,051,858.38 = 280,283.72 : x
  2. Step 2: Convert to fraction form
    700,714.76/1,051,858.38 = 280,283.72/x
  3. Step 3: Cross multiply
    700,714.76x = 1,051,858.38 × 280,283.72
  4. Step 4: Simplify right side
    700,714.76x = 294,818,779,659.57
  5. Step 5: Solve for x
    x = 294,818,779,659.57/700,714.76
  6. Step 6: Final answer
    x = 420,740.07

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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.