Home / 722,946.40-1,084,419.60-536,322.40

Finding the Fourth Proportional to 722,946.40, 1,084,419.60 and 536,322.40

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Solution

The fourth proportional to 722,946.40, 1,084,419.60 and 536,322.40 is: 804,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,946.40 : 1,084,419.60 = 536,322.40 : x
  2. Step 2: Convert to fraction form
    722,946.40/1,084,419.60 = 536,322.40/x
  3. Step 3: Cross multiply
    722,946.40x = 1,084,419.60 × 536,322.40
  4. Step 4: Simplify right side
    722,946.40x = 581,598,522,479.04
  5. Step 5: Solve for x
    x = 581,598,522,479.04/722,946.40
  6. Step 6: Final answer
    x = 804,483.60

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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.