Home / 866,747.15-1,300,298.04-298,054.40

Finding the Fourth Proportional to 866,747.15, 1,300,298.04 and 298,054.40

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Solution

The fourth proportional to 866,747.15, 1,300,298.04 and 298,054.40 is: 447,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,747.15 : 1,300,298.04 = 298,054.40 : x
  2. Step 2: Convert to fraction form
    866,747.15/1,300,298.04 = 298,054.40/x
  3. Step 3: Cross multiply
    866,747.15x = 1,300,298.04 × 298,054.40
  4. Step 4: Simplify right side
    866,747.15x = 387,559,552,133.38
  5. Step 5: Solve for x
    x = 387,559,552,133.38/866,747.15
  6. Step 6: Final answer
    x = 447,142.57

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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.