Home / 802,099.37-1,106,878.02-439,505.70

Finding the Fourth Proportional to 802,099.37, 1,106,878.02 and 439,505.70

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Solution

The fourth proportional to 802,099.37, 1,106,878.02 and 439,505.70 is: 606,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,099.37 : 1,106,878.02 = 439,505.70 : x
  2. Step 2: Convert to fraction form
    802,099.37/1,106,878.02 = 439,505.70/x
  3. Step 3: Cross multiply
    802,099.37x = 1,106,878.02 × 439,505.70
  4. Step 4: Simplify right side
    802,099.37x = 486,479,198,994.71
  5. Step 5: Solve for x
    x = 486,479,198,994.71/802,099.37
  6. Step 6: Final answer
    x = 606,507.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.