Home / 855,614.70-1,180,748.63-468,455.21

Finding the Fourth Proportional to 855,614.70, 1,180,748.63 and 468,455.21

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Solution

The fourth proportional to 855,614.70, 1,180,748.63 and 468,455.21 is: 646,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,614.70 : 1,180,748.63 = 468,455.21 : x
  2. Step 2: Convert to fraction form
    855,614.70/1,180,748.63 = 468,455.21/x
  3. Step 3: Cross multiply
    855,614.70x = 1,180,748.63 × 468,455.21
  4. Step 4: Simplify right side
    855,614.70x = 553,127,839,177.84
  5. Step 5: Solve for x
    x = 553,127,839,177.84/855,614.70
  6. Step 6: Final answer
    x = 646,468.37

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1.5x scale

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.