Home / 855,509.65-1,180,130.41-549,631.58

Finding the Fourth Proportional to 855,509.65, 1,180,130.41 and 549,631.58

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Solution

The fourth proportional to 855,509.65, 1,180,130.41 and 549,631.58 is: 758,187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,509.65 : 1,180,130.41 = 549,631.58 : x
  2. Step 2: Convert to fraction form
    855,509.65/1,180,130.41 = 549,631.58/x
  3. Step 3: Cross multiply
    855,509.65x = 1,180,130.41 × 549,631.58
  4. Step 4: Simplify right side
    855,509.65x = 648,636,936,640.74
  5. Step 5: Solve for x
    x = 648,636,936,640.74/855,509.65
  6. Step 6: Final answer
    x = 758,187.75

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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.