Home / 726,875.24-1,089,846.30-477,265.64

Finding the Fourth Proportional to 726,875.24, 1,089,846.30 and 477,265.64

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Solution

The fourth proportional to 726,875.24, 1,089,846.30 and 477,265.64 is: 715,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,875.24 : 1,089,846.30 = 477,265.64 : x
  2. Step 2: Convert to fraction form
    726,875.24/1,089,846.30 = 477,265.64/x
  3. Step 3: Cross multiply
    726,875.24x = 1,089,846.30 × 477,265.64
  4. Step 4: Simplify right side
    726,875.24x = 520,146,191,871.13
  5. Step 5: Solve for x
    x = 520,146,191,871.13/726,875.24
  6. Step 6: Final answer
    x = 715,592.12

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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.