Home / 887,336.28-1,330,381.08-310,818.60

Finding the Fourth Proportional to 887,336.28, 1,330,381.08 and 310,818.60

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Solution

The fourth proportional to 887,336.28, 1,330,381.08 and 310,818.60 is: 466,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,336.28 : 1,330,381.08 = 310,818.60 : x
  2. Step 2: Convert to fraction form
    887,336.28/1,330,381.08 = 310,818.60/x
  3. Step 3: Cross multiply
    887,336.28x = 1,330,381.08 × 310,818.60
  4. Step 4: Simplify right side
    887,336.28x = 413,507,184,752.09
  5. Step 5: Solve for x
    x = 413,507,184,752.09/887,336.28
  6. Step 6: Final answer
    x = 466,009.55

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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.