Home / 879,677.97-1,319,429.47-406,356.50

Finding the Fourth Proportional to 879,677.97, 1,319,429.47 and 406,356.50

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Solution

The fourth proportional to 879,677.97, 1,319,429.47 and 406,356.50 is: 609,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,677.97 : 1,319,429.47 = 406,356.50 : x
  2. Step 2: Convert to fraction form
    879,677.97/1,319,429.47 = 406,356.50/x
  3. Step 3: Cross multiply
    879,677.97x = 1,319,429.47 × 406,356.50
  4. Step 4: Simplify right side
    879,677.97x = 536,158,741,426.06
  5. Step 5: Solve for x
    x = 536,158,741,426.06/879,677.97
  6. Step 6: Final answer
    x = 609,494.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.