Home / 589,036.43-812,822.36-330,899.36

Finding the Fourth Proportional to 589,036.43, 812,822.36 and 330,899.36

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Solution

The fourth proportional to 589,036.43, 812,822.36 and 330,899.36 is: 456,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,036.43 : 812,822.36 = 330,899.36 : x
  2. Step 2: Convert to fraction form
    589,036.43/812,822.36 = 330,899.36/x
  3. Step 3: Cross multiply
    589,036.43x = 812,822.36 × 330,899.36
  4. Step 4: Simplify right side
    589,036.43x = 268,962,392,999.08
  5. Step 5: Solve for x
    x = 268,962,392,999.08/589,036.43
  6. Step 6: Final answer
    x = 456,614.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.