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Finding the Fourth Proportional to 670,779.08, 925,655.82 and 368,973.08

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Solution

The fourth proportional to 670,779.08, 925,655.82 and 368,973.08 is: 509,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,779.08 : 925,655.82 = 368,973.08 : x
  2. Step 2: Convert to fraction form
    670,779.08/925,655.82 = 368,973.08/x
  3. Step 3: Cross multiply
    670,779.08x = 925,655.82 × 368,973.08
  4. Step 4: Simplify right side
    670,779.08x = 341,542,078,925.33
  5. Step 5: Solve for x
    x = 341,542,078,925.33/670,779.08
  6. Step 6: Final answer
    x = 509,172.23

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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.