Home / 869,878.55-1,303,746.99-414,709.58

Finding the Fourth Proportional to 869,878.55, 1,303,746.99 and 414,709.58

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Solution

The fourth proportional to 869,878.55, 1,303,746.99 and 414,709.58 is: 621,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,878.55 : 1,303,746.99 = 414,709.58 : x
  2. Step 2: Convert to fraction form
    869,878.55/1,303,746.99 = 414,709.58/x
  3. Step 3: Cross multiply
    869,878.55x = 1,303,746.99 × 414,709.58
  4. Step 4: Simplify right side
    869,878.55x = 540,676,360,130.43
  5. Step 5: Solve for x
    x = 540,676,360,130.43/869,878.55
  6. Step 6: Final answer
    x = 621,553.85

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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.