Home / 787,739.60-1,180,054.20-471,256.40

Finding the Fourth Proportional to 787,739.60, 1,180,054.20 and 471,256.40

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Solution

The fourth proportional to 787,739.60, 1,180,054.20 and 471,256.40 is: 705,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,739.60 : 1,180,054.20 = 471,256.40 : x
  2. Step 2: Convert to fraction form
    787,739.60/1,180,054.20 = 471,256.40/x
  3. Step 3: Cross multiply
    787,739.60x = 1,180,054.20 × 471,256.40
  4. Step 4: Simplify right side
    787,739.60x = 556,108,094,096.88
  5. Step 5: Solve for x
    x = 556,108,094,096.88/787,739.60
  6. Step 6: Final answer
    x = 705,954.22

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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.