Home / 742,883.28-1,114,767.60-269,605.53

Finding the Fourth Proportional to 742,883.28, 1,114,767.60 and 269,605.53

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Solution

The fourth proportional to 742,883.28, 1,114,767.60 and 269,605.53 is: 404,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,883.28 : 1,114,767.60 = 269,605.53 : x
  2. Step 2: Convert to fraction form
    742,883.28/1,114,767.60 = 269,605.53/x
  3. Step 3: Cross multiply
    742,883.28x = 1,114,767.60 × 269,605.53
  4. Step 4: Simplify right side
    742,883.28x = 300,547,509,624.83
  5. Step 5: Solve for x
    x = 300,547,509,624.83/742,883.28
  6. Step 6: Final answer
    x = 404,568.95

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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.