Home / 809,045.20-1,116,065.42-503,005.52

Finding the Fourth Proportional to 809,045.20, 1,116,065.42 and 503,005.52

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Solution

The fourth proportional to 809,045.20, 1,116,065.42 and 503,005.52 is: 693,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,045.20 : 1,116,065.42 = 503,005.52 : x
  2. Step 2: Convert to fraction form
    809,045.20/1,116,065.42 = 503,005.52/x
  3. Step 3: Cross multiply
    809,045.20x = 1,116,065.42 × 503,005.52
  4. Step 4: Simplify right side
    809,045.20x = 561,387,066,941.12
  5. Step 5: Solve for x
    x = 561,387,066,941.12/809,045.20
  6. Step 6: Final answer
    x = 693,888.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.