Home / 718,573.20-1,076,693.40-451,856.40

Finding the Fourth Proportional to 718,573.20, 1,076,693.40 and 451,856.40

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Solution

The fourth proportional to 718,573.20, 1,076,693.40 and 451,856.40 is: 677,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,573.20 : 1,076,693.40 = 451,856.40 : x
  2. Step 2: Convert to fraction form
    718,573.20/1,076,693.40 = 451,856.40/x
  3. Step 3: Cross multiply
    718,573.20x = 1,076,693.40 × 451,856.40
  4. Step 4: Simplify right side
    718,573.20x = 486,510,803,627.76
  5. Step 5: Solve for x
    x = 486,510,803,627.76/718,573.20
  6. Step 6: Final answer
    x = 677,051.14

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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.