Home / 700,827.90-1,051,514.55-280,224.06

Finding the Fourth Proportional to 700,827.90, 1,051,514.55 and 280,224.06

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Solution

The fourth proportional to 700,827.90, 1,051,514.55 and 280,224.06 is: 420,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,827.90 : 1,051,514.55 = 280,224.06 : x
  2. Step 2: Convert to fraction form
    700,827.90/1,051,514.55 = 280,224.06/x
  3. Step 3: Cross multiply
    700,827.90x = 1,051,514.55 × 280,224.06
  4. Step 4: Simplify right side
    700,827.90x = 294,659,676,350.07
  5. Step 5: Solve for x
    x = 294,659,676,350.07/700,827.90
  6. Step 6: Final answer
    x = 420,445.13

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1.5x scale

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.