Home / 784,005.10-1,176,007.65-607,057.90

Finding the Fourth Proportional to 784,005.10, 1,176,007.65 and 607,057.90

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Solution

The fourth proportional to 784,005.10, 1,176,007.65 and 607,057.90 is: 910,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,005.10 : 1,176,007.65 = 607,057.90 : x
  2. Step 2: Convert to fraction form
    784,005.10/1,176,007.65 = 607,057.90/x
  3. Step 3: Cross multiply
    784,005.10x = 1,176,007.65 × 607,057.90
  4. Step 4: Simplify right side
    784,005.10x = 713,904,734,392.94
  5. Step 5: Solve for x
    x = 713,904,734,392.94/784,005.10
  6. Step 6: Final answer
    x = 910,586.85

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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.