Home / 855,312.73-1,180,368.62-473,339.64

Finding the Fourth Proportional to 855,312.73, 1,180,368.62 and 473,339.64

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Solution

The fourth proportional to 855,312.73, 1,180,368.62 and 473,339.64 is: 653,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,312.73 : 1,180,368.62 = 473,339.64 : x
  2. Step 2: Convert to fraction form
    855,312.73/1,180,368.62 = 473,339.64/x
  3. Step 3: Cross multiply
    855,312.73x = 1,180,368.62 × 473,339.64
  4. Step 4: Simplify right side
    855,312.73x = 558,715,257,658.10
  5. Step 5: Solve for x
    x = 558,715,257,658.10/855,312.73
  6. Step 6: Final answer
    x = 653,229.21

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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.