Home / 989,023.10-1,482,886.65-389,623.10

Finding the Fourth Proportional to 989,023.10, 1,482,886.65 and 389,623.10

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Solution

The fourth proportional to 989,023.10, 1,482,886.65 and 389,623.10 is: 584,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,023.10 : 1,482,886.65 = 389,623.10 : x
  2. Step 2: Convert to fraction form
    989,023.10/1,482,886.65 = 389,623.10/x
  3. Step 3: Cross multiply
    989,023.10x = 1,482,886.65 × 389,623.10
  4. Step 4: Simplify right side
    989,023.10x = 577,766,893,521.62
  5. Step 5: Solve for x
    x = 577,766,893,521.62/989,023.10
  6. Step 6: Final answer
    x = 584,179.37

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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.