Home / 818,641.86-1,227,935.04-249,999.96

Finding the Fourth Proportional to 818,641.86, 1,227,935.04 and 249,999.96

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Solution

The fourth proportional to 818,641.86, 1,227,935.04 and 249,999.96 is: 374,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,641.86 : 1,227,935.04 = 249,999.96 : x
  2. Step 2: Convert to fraction form
    818,641.86/1,227,935.04 = 249,999.96/x
  3. Step 3: Cross multiply
    818,641.86x = 1,227,935.04 × 249,999.96
  4. Step 4: Simplify right side
    818,641.86x = 306,983,710,882.60
  5. Step 5: Solve for x
    x = 306,983,710,882.60/818,641.86
  6. Step 6: Final answer
    x = 374,991.47

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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.