Home / 907,614.40-1,361,713.20-608,432.80

Finding the Fourth Proportional to 907,614.40, 1,361,713.20 and 608,432.80

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Solution

The fourth proportional to 907,614.40, 1,361,713.20 and 608,432.80 is: 912,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,614.40 : 1,361,713.20 = 608,432.80 : x
  2. Step 2: Convert to fraction form
    907,614.40/1,361,713.20 = 608,432.80/x
  3. Step 3: Cross multiply
    907,614.40x = 1,361,713.20 × 608,432.80
  4. Step 4: Simplify right side
    907,614.40x = 828,510,975,072.96
  5. Step 5: Solve for x
    x = 828,510,975,072.96/907,614.40
  6. Step 6: Final answer
    x = 912,844.68

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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.