Home / 785,783.28-1,183,925.61-709,969.89

Finding the Fourth Proportional to 785,783.28, 1,183,925.61 and 709,969.89

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Solution

The fourth proportional to 785,783.28, 1,183,925.61 and 709,969.89 is: 1,069,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,783.28 : 1,183,925.61 = 709,969.89 : x
  2. Step 2: Convert to fraction form
    785,783.28/1,183,925.61 = 709,969.89/x
  3. Step 3: Cross multiply
    785,783.28x = 1,183,925.61 × 709,969.89
  4. Step 4: Simplify right side
    785,783.28x = 840,551,535,099.88
  5. Step 5: Solve for x
    x = 840,551,535,099.88/785,783.28
  6. Step 6: Final answer
    x = 1,069,698.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.