Home / 855,281.57-1,180,291.70-462,814.53

Finding the Fourth Proportional to 855,281.57, 1,180,291.70 and 462,814.53

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Solution

The fourth proportional to 855,281.57, 1,180,291.70 and 462,814.53 is: 638,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,281.57 : 1,180,291.70 = 462,814.53 : x
  2. Step 2: Convert to fraction form
    855,281.57/1,180,291.70 = 462,814.53/x
  3. Step 3: Cross multiply
    855,281.57x = 1,180,291.70 × 462,814.53
  4. Step 4: Simplify right side
    855,281.57x = 546,256,148,398.40
  5. Step 5: Solve for x
    x = 546,256,148,398.40/855,281.57
  6. Step 6: Final answer
    x = 638,685.75

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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.