Home / 589,619.70-885,085.65-323,899.20

Finding the Fourth Proportional to 589,619.70, 885,085.65 and 323,899.20

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Solution

The fourth proportional to 589,619.70, 885,085.65 and 323,899.20 is: 486,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,619.70 : 885,085.65 = 323,899.20 : x
  2. Step 2: Convert to fraction form
    589,619.70/885,085.65 = 323,899.20/x
  3. Step 3: Cross multiply
    589,619.70x = 885,085.65 × 323,899.20
  4. Step 4: Simplify right side
    589,619.70x = 286,678,533,966.48
  5. Step 5: Solve for x
    x = 286,678,533,966.48/589,619.70
  6. Step 6: Final answer
    x = 486,209.22

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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.