Home / 571,490.03-857,748.99-305,477.93

Finding the Fourth Proportional to 571,490.03, 857,748.99 and 305,477.93

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Solution

The fourth proportional to 571,490.03, 857,748.99 and 305,477.93 is: 458,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,490.03 : 857,748.99 = 305,477.93 : x
  2. Step 2: Convert to fraction form
    571,490.03/857,748.99 = 305,477.93/x
  3. Step 3: Cross multiply
    571,490.03x = 857,748.99 × 305,477.93
  4. Step 4: Simplify right side
    571,490.03x = 262,023,389,214.71
  5. Step 5: Solve for x
    x = 262,023,389,214.71/571,490.03
  6. Step 6: Final answer
    x = 458,491.62

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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.