Home / 855,709.88-1,180,834.73-468,451.05

Finding the Fourth Proportional to 855,709.88, 1,180,834.73 and 468,451.05

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Solution

The fourth proportional to 855,709.88, 1,180,834.73 and 468,451.05 is: 646,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,709.88 : 1,180,834.73 = 468,451.05 : x
  2. Step 2: Convert to fraction form
    855,709.88/1,180,834.73 = 468,451.05/x
  3. Step 3: Cross multiply
    855,709.88x = 1,180,834.73 × 468,451.05
  4. Step 4: Simplify right side
    855,709.88x = 553,163,266,802.71
  5. Step 5: Solve for x
    x = 553,163,266,802.71/855,709.88
  6. Step 6: Final answer
    x = 646,437.87

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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.