Home / 572,297.40-858,834.90-319,577.40

Finding the Fourth Proportional to 572,297.40, 858,834.90 and 319,577.40

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Solution

The fourth proportional to 572,297.40, 858,834.90 and 319,577.40 is: 479,583.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,297.40 : 858,834.90 = 319,577.40 : x
  2. Step 2: Convert to fraction form
    572,297.40/858,834.90 = 319,577.40/x
  3. Step 3: Cross multiply
    572,297.40x = 858,834.90 × 319,577.40
  4. Step 4: Simplify right side
    572,297.40x = 274,464,224,371.26
  5. Step 5: Solve for x
    x = 274,464,224,371.26/572,297.40
  6. Step 6: Final answer
    x = 479,583.21

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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.