Home / 855,244.21-1,180,237.47-468,059.40

Finding the Fourth Proportional to 855,244.21, 1,180,237.47 and 468,059.40

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Solution

The fourth proportional to 855,244.21, 1,180,237.47 and 468,059.40 is: 645,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,244.21 : 1,180,237.47 = 468,059.40 : x
  2. Step 2: Convert to fraction form
    855,244.21/1,180,237.47 = 468,059.40/x
  3. Step 3: Cross multiply
    855,244.21x = 1,180,237.47 × 468,059.40
  4. Step 4: Simplify right side
    855,244.21x = 552,421,246,491.61
  5. Step 5: Solve for x
    x = 552,421,246,491.61/855,244.21
  6. Step 6: Final answer
    x = 645,922.23

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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.