Home / 879,109.50-1,213,171.11-476,701.50

Finding the Fourth Proportional to 879,109.50, 1,213,171.11 and 476,701.50

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Solution

The fourth proportional to 879,109.50, 1,213,171.11 and 476,701.50 is: 657,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,109.50 : 1,213,171.11 = 476,701.50 : x
  2. Step 2: Convert to fraction form
    879,109.50/1,213,171.11 = 476,701.50/x
  3. Step 3: Cross multiply
    879,109.50x = 1,213,171.11 × 476,701.50
  4. Step 4: Simplify right side
    879,109.50x = 578,320,487,893.67
  5. Step 5: Solve for x
    x = 578,320,487,893.67/879,109.50
  6. Step 6: Final answer
    x = 657,848.07

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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.