Home / 908,685.48-1,253,994.66-500,802.12

Finding the Fourth Proportional to 908,685.48, 1,253,994.66 and 500,802.12

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Solution

The fourth proportional to 908,685.48, 1,253,994.66 and 500,802.12 is: 691,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,685.48 : 1,253,994.66 = 500,802.12 : x
  2. Step 2: Convert to fraction form
    908,685.48/1,253,994.66 = 500,802.12/x
  3. Step 3: Cross multiply
    908,685.48x = 1,253,994.66 × 500,802.12
  4. Step 4: Simplify right side
    908,685.48x = 628,003,184,196.68
  5. Step 5: Solve for x
    x = 628,003,184,196.68/908,685.48
  6. Step 6: Final answer
    x = 691,111.72

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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.