Home / 727,816.20-1,092,113.10-328,518.60

Finding the Fourth Proportional to 727,816.20, 1,092,113.10 and 328,518.60

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Solution

The fourth proportional to 727,816.20, 1,092,113.10 and 328,518.60 is: 492,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,816.20 : 1,092,113.10 = 328,518.60 : x
  2. Step 2: Convert to fraction form
    727,816.20/1,092,113.10 = 328,518.60/x
  3. Step 3: Cross multiply
    727,816.20x = 1,092,113.10 × 328,518.60
  4. Step 4: Simplify right side
    727,816.20x = 358,779,466,653.66
  5. Step 5: Solve for x
    x = 358,779,466,653.66/727,816.20
  6. Step 6: Final answer
    x = 492,953.39

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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.