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Finding the Fourth Proportional to 590,030.56, 885,702.30 and 305,645.20

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Solution

The fourth proportional to 590,030.56, 885,702.30 and 305,645.20 is: 458,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,030.56 : 885,702.30 = 305,645.20 : x
  2. Step 2: Convert to fraction form
    590,030.56/885,702.30 = 305,645.20/x
  3. Step 3: Cross multiply
    590,030.56x = 885,702.30 × 305,645.20
  4. Step 4: Simplify right side
    590,030.56x = 270,710,656,623.96
  5. Step 5: Solve for x
    x = 270,710,656,623.96/590,030.56
  6. Step 6: Final answer
    x = 458,807.86

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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.