Home / 859,281.90-1,288,922.85-460,701.15

Finding the Fourth Proportional to 859,281.90, 1,288,922.85 and 460,701.15

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Solution

The fourth proportional to 859,281.90, 1,288,922.85 and 460,701.15 is: 691,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,281.90 : 1,288,922.85 = 460,701.15 : x
  2. Step 2: Convert to fraction form
    859,281.90/1,288,922.85 = 460,701.15/x
  3. Step 3: Cross multiply
    859,281.90x = 1,288,922.85 × 460,701.15
  4. Step 4: Simplify right side
    859,281.90x = 593,808,239,256.28
  5. Step 5: Solve for x
    x = 593,808,239,256.28/859,281.90
  6. Step 6: Final answer
    x = 691,051.73

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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.