Home / 691,151.45-1,036,727.18-292,242.65

Finding the Fourth Proportional to 691,151.45, 1,036,727.18 and 292,242.65

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Solution

The fourth proportional to 691,151.45, 1,036,727.18 and 292,242.65 is: 438,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,151.45 : 1,036,727.18 = 292,242.65 : x
  2. Step 2: Convert to fraction form
    691,151.45/1,036,727.18 = 292,242.65/x
  3. Step 3: Cross multiply
    691,151.45x = 1,036,727.18 × 292,242.65
  4. Step 4: Simplify right side
    691,151.45x = 302,975,898,410.23
  5. Step 5: Solve for x
    x = 302,975,898,410.23/691,151.45
  6. Step 6: Final answer
    x = 438,363.98

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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.