Home / 999,561.64-1,499,341.35-325,641.98

Finding the Fourth Proportional to 999,561.64, 1,499,341.35 and 325,641.98

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Solution

The fourth proportional to 999,561.64, 1,499,341.35 and 325,641.98 is: 488,462.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,561.64 : 1,499,341.35 = 325,641.98 : x
  2. Step 2: Convert to fraction form
    999,561.64/1,499,341.35 = 325,641.98/x
  3. Step 3: Cross multiply
    999,561.64x = 1,499,341.35 × 325,641.98
  4. Step 4: Simplify right side
    999,561.64x = 488,248,485,909.87
  5. Step 5: Solve for x
    x = 488,248,485,909.87/999,561.64
  6. Step 6: Final answer
    x = 488,462.61

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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.