Home / 784,214.10-1,177,487.55-606,921.30

Finding the Fourth Proportional to 784,214.10, 1,177,487.55 and 606,921.30

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Solution

The fourth proportional to 784,214.10, 1,177,487.55 and 606,921.30 is: 911,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,214.10 : 1,177,487.55 = 606,921.30 : x
  2. Step 2: Convert to fraction form
    784,214.10/1,177,487.55 = 606,921.30/x
  3. Step 3: Cross multiply
    784,214.10x = 1,177,487.55 × 606,921.30
  4. Step 4: Simplify right side
    784,214.10x = 714,642,274,579.82
  5. Step 5: Solve for x
    x = 714,642,274,579.82/784,214.10
  6. Step 6: Final answer
    x = 911,284.65

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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.