Home / 999,799.86-1,499,855.32-325,724.25

Finding the Fourth Proportional to 999,799.86, 1,499,855.32 and 325,724.25

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Solution

The fourth proportional to 999,799.86, 1,499,855.32 and 325,724.25 is: 488,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,799.86 : 1,499,855.32 = 325,724.25 : x
  2. Step 2: Convert to fraction form
    999,799.86/1,499,855.32 = 325,724.25/x
  3. Step 3: Cross multiply
    999,799.86x = 1,499,855.32 × 325,724.25
  4. Step 4: Simplify right side
    999,799.86x = 488,539,249,215.51
  5. Step 5: Solve for x
    x = 488,539,249,215.51/999,799.86
  6. Step 6: Final answer
    x = 488,637.05

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1.5x scale

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.