Home / 745,998.65-1,117,315.57-522,357.51

Finding the Fourth Proportional to 745,998.65, 1,117,315.57 and 522,357.51

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Solution

The fourth proportional to 745,998.65, 1,117,315.57 and 522,357.51 is: 782,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,998.65 : 1,117,315.57 = 522,357.51 : x
  2. Step 2: Convert to fraction form
    745,998.65/1,117,315.57 = 522,357.51/x
  3. Step 3: Cross multiply
    745,998.65x = 1,117,315.57 × 522,357.51
  4. Step 4: Simplify right side
    745,998.65x = 583,638,179,029.43
  5. Step 5: Solve for x
    x = 583,638,179,029.43/745,998.65
  6. Step 6: Final answer
    x = 782,358.22

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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.