Home / 574,389.09-862,115.58-290,279.57

Finding the Fourth Proportional to 574,389.09, 862,115.58 and 290,279.57

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Solution

The fourth proportional to 574,389.09, 862,115.58 and 290,279.57 is: 435,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,389.09 : 862,115.58 = 290,279.57 : x
  2. Step 2: Convert to fraction form
    574,389.09/862,115.58 = 290,279.57/x
  3. Step 3: Cross multiply
    574,389.09x = 862,115.58 × 290,279.57
  4. Step 4: Simplify right side
    574,389.09x = 250,254,535,542.12
  5. Step 5: Solve for x
    x = 250,254,535,542.12/574,389.09
  6. Step 6: Final answer
    x = 435,688.18

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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.