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Finding the Fourth Proportional to 590,630.22, 885,551.67 and 286,943.40

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Solution

The fourth proportional to 590,630.22, 885,551.67 and 286,943.40 is: 430,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,630.22 : 885,551.67 = 286,943.40 : x
  2. Step 2: Convert to fraction form
    590,630.22/885,551.67 = 286,943.40/x
  3. Step 3: Cross multiply
    590,630.22x = 885,551.67 × 286,943.40
  4. Step 4: Simplify right side
    590,630.22x = 254,103,207,065.48
  5. Step 5: Solve for x
    x = 254,103,207,065.48/590,630.22
  6. Step 6: Final answer
    x = 430,223.85

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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.