Home / 955,811.45-1,433,509.20-315,964.02

Finding the Fourth Proportional to 955,811.45, 1,433,509.20 and 315,964.02

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Solution

The fourth proportional to 955,811.45, 1,433,509.20 and 315,964.02 is: 473,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,811.45 : 1,433,509.20 = 315,964.02 : x
  2. Step 2: Convert to fraction form
    955,811.45/1,433,509.20 = 315,964.02/x
  3. Step 3: Cross multiply
    955,811.45x = 1,433,509.20 × 315,964.02
  4. Step 4: Simplify right side
    955,811.45x = 452,937,334,914.64
  5. Step 5: Solve for x
    x = 452,937,334,914.64/955,811.45
  6. Step 6: Final answer
    x = 473,877.28

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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.