Home / 775,642.48-1,162,772.79-302,220.16

Finding the Fourth Proportional to 775,642.48, 1,162,772.79 and 302,220.16

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Solution

The fourth proportional to 775,642.48, 1,162,772.79 and 302,220.16 is: 453,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,642.48 : 1,162,772.79 = 302,220.16 : x
  2. Step 2: Convert to fraction form
    775,642.48/1,162,772.79 = 302,220.16/x
  3. Step 3: Cross multiply
    775,642.48x = 1,162,772.79 × 302,220.16
  4. Step 4: Simplify right side
    775,642.48x = 351,413,378,637.45
  5. Step 5: Solve for x
    x = 351,413,378,637.45/775,642.48
  6. Step 6: Final answer
    x = 453,061.03

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Double scale
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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.