Home / 745,585.23-1,118,294.09-205,918.23

Finding the Fourth Proportional to 745,585.23, 1,118,294.09 and 205,918.23

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Solution

The fourth proportional to 745,585.23, 1,118,294.09 and 205,918.23 is: 308,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,585.23 : 1,118,294.09 = 205,918.23 : x
  2. Step 2: Convert to fraction form
    745,585.23/1,118,294.09 = 205,918.23/x
  3. Step 3: Cross multiply
    745,585.23x = 1,118,294.09 × 205,918.23
  4. Step 4: Simplify right side
    745,585.23x = 230,277,136,698.92
  5. Step 5: Solve for x
    x = 230,277,136,698.92/745,585.23
  6. Step 6: Final answer
    x = 308,854.21

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1.5x scale

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.