Home / 883,061.12-1,218,590.48-501,065.12

Finding the Fourth Proportional to 883,061.12, 1,218,590.48 and 501,065.12

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Solution

The fourth proportional to 883,061.12, 1,218,590.48 and 501,065.12 is: 691,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,061.12 : 1,218,590.48 = 501,065.12 : x
  2. Step 2: Convert to fraction form
    883,061.12/1,218,590.48 = 501,065.12/x
  3. Step 3: Cross multiply
    883,061.12x = 1,218,590.48 × 501,065.12
  4. Step 4: Simplify right side
    883,061.12x = 610,593,185,092.06
  5. Step 5: Solve for x
    x = 610,593,185,092.06/883,061.12
  6. Step 6: Final answer
    x = 691,450.65

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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.