Home / 756,371.70-1,133,002.35-519,981.30

Finding the Fourth Proportional to 756,371.70, 1,133,002.35 and 519,981.30

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Solution

The fourth proportional to 756,371.70, 1,133,002.35 and 519,981.30 is: 778,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,371.70 : 1,133,002.35 = 519,981.30 : x
  2. Step 2: Convert to fraction form
    756,371.70/1,133,002.35 = 519,981.30/x
  3. Step 3: Cross multiply
    756,371.70x = 1,133,002.35 × 519,981.30
  4. Step 4: Simplify right side
    756,371.70x = 589,140,034,856.06
  5. Step 5: Solve for x
    x = 589,140,034,856.06/756,371.70
  6. Step 6: Final answer
    x = 778,902.80

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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.