Home / 731,419.44-1,009,981.80-459,941.64

Finding the Fourth Proportional to 731,419.44, 1,009,981.80 and 459,941.64

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Solution

The fourth proportional to 731,419.44, 1,009,981.80 and 459,941.64 is: 635,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,419.44 : 1,009,981.80 = 459,941.64 : x
  2. Step 2: Convert to fraction form
    731,419.44/1,009,981.80 = 459,941.64/x
  3. Step 3: Cross multiply
    731,419.44x = 1,009,981.80 × 459,941.64
  4. Step 4: Simplify right side
    731,419.44x = 464,532,685,462.15
  5. Step 5: Solve for x
    x = 464,532,685,462.15/731,419.44
  6. Step 6: Final answer
    x = 635,111.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.