Home / 789,239.28-1,088,893.08-482,996.10

Finding the Fourth Proportional to 789,239.28, 1,088,893.08 and 482,996.10

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Solution

The fourth proportional to 789,239.28, 1,088,893.08 and 482,996.10 is: 666,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,239.28 : 1,088,893.08 = 482,996.10 : x
  2. Step 2: Convert to fraction form
    789,239.28/1,088,893.08 = 482,996.10/x
  3. Step 3: Cross multiply
    789,239.28x = 1,088,893.08 × 482,996.10
  4. Step 4: Simplify right side
    789,239.28x = 525,931,110,956.99
  5. Step 5: Solve for x
    x = 525,931,110,956.99/789,239.28
  6. Step 6: Final answer
    x = 666,377.26

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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.