Home / 909,722.56-1,364,439.18-302,460.38

Finding the Fourth Proportional to 909,722.56, 1,364,439.18 and 302,460.38

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Solution

The fourth proportional to 909,722.56, 1,364,439.18 and 302,460.38 is: 453,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,722.56 : 1,364,439.18 = 302,460.38 : x
  2. Step 2: Convert to fraction form
    909,722.56/1,364,439.18 = 302,460.38/x
  3. Step 3: Cross multiply
    909,722.56x = 1,364,439.18 × 302,460.38
  4. Step 4: Simplify right side
    909,722.56x = 412,688,792,869.69
  5. Step 5: Solve for x
    x = 412,688,792,869.69/909,722.56
  6. Step 6: Final answer
    x = 453,642.47

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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.