Home / 988,856.80-1,483,868.40-652,868.80

Finding the Fourth Proportional to 988,856.80, 1,483,868.40 and 652,868.80

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Solution

The fourth proportional to 988,856.80, 1,483,868.40 and 652,868.80 is: 979,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,856.80 : 1,483,868.40 = 652,868.80 : x
  2. Step 2: Convert to fraction form
    988,856.80/1,483,868.40 = 652,868.80/x
  3. Step 3: Cross multiply
    988,856.80x = 1,483,868.40 × 652,868.80
  4. Step 4: Simplify right side
    988,856.80x = 968,771,381,665.92
  5. Step 5: Solve for x
    x = 968,771,381,665.92/988,856.80
  6. Step 6: Final answer
    x = 979,688.24

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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.