Home / 802,280.50-1,107,155.76-439,696.56

Finding the Fourth Proportional to 802,280.50, 1,107,155.76 and 439,696.56

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Solution

The fourth proportional to 802,280.50, 1,107,155.76 and 439,696.56 is: 606,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,280.50 : 1,107,155.76 = 439,696.56 : x
  2. Step 2: Convert to fraction form
    802,280.50/1,107,155.76 = 439,696.56/x
  3. Step 3: Cross multiply
    802,280.50x = 1,107,155.76 × 439,696.56
  4. Step 4: Simplify right side
    802,280.50x = 486,812,579,056.19
  5. Step 5: Solve for x
    x = 486,812,579,056.19/802,280.50
  6. Step 6: Final answer
    x = 606,786.00

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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.