Home / 432,047.70-646,937.55-305,001.90

Finding the Fourth Proportional to 432,047.70, 646,937.55 and 305,001.90

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Solution

The fourth proportional to 432,047.70, 646,937.55 and 305,001.90 is: 456,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,047.70 : 646,937.55 = 305,001.90 : x
  2. Step 2: Convert to fraction form
    432,047.70/646,937.55 = 305,001.90/x
  3. Step 3: Cross multiply
    432,047.70x = 646,937.55 × 305,001.90
  4. Step 4: Simplify right side
    432,047.70x = 197,317,181,931.35
  5. Step 5: Solve for x
    x = 197,317,181,931.35/432,047.70
  6. Step 6: Final answer
    x = 456,702.31

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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.