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Finding the Fourth Proportional to 590,470.80, 885,792.60 and 310,009.20

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Solution

The fourth proportional to 590,470.80, 885,792.60 and 310,009.20 is: 465,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,470.80 : 885,792.60 = 310,009.20 : x
  2. Step 2: Convert to fraction form
    590,470.80/885,792.60 = 310,009.20/x
  3. Step 3: Cross multiply
    590,470.80x = 885,792.60 × 310,009.20
  4. Step 4: Simplify right side
    590,470.80x = 274,603,855,291.92
  5. Step 5: Solve for x
    x = 274,603,855,291.92/590,470.80
  6. Step 6: Final answer
    x = 465,059.16

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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.