Home / 727,606.40-1,091,409.60-228,970.40

Finding the Fourth Proportional to 727,606.40, 1,091,409.60 and 228,970.40

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Solution

The fourth proportional to 727,606.40, 1,091,409.60 and 228,970.40 is: 343,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,606.40 : 1,091,409.60 = 228,970.40 : x
  2. Step 2: Convert to fraction form
    727,606.40/1,091,409.60 = 228,970.40/x
  3. Step 3: Cross multiply
    727,606.40x = 1,091,409.60 × 228,970.40
  4. Step 4: Simplify right side
    727,606.40x = 249,900,492,675.84
  5. Step 5: Solve for x
    x = 249,900,492,675.84/727,606.40
  6. Step 6: Final answer
    x = 343,455.60

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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.