Home / 432,001.70-648,002.55-298,844.90

Finding the Fourth Proportional to 432,001.70, 648,002.55 and 298,844.90

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Solution

The fourth proportional to 432,001.70, 648,002.55 and 298,844.90 is: 448,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,001.70 : 648,002.55 = 298,844.90 : x
  2. Step 2: Convert to fraction form
    432,001.70/648,002.55 = 298,844.90/x
  3. Step 3: Cross multiply
    432,001.70x = 648,002.55 × 298,844.90
  4. Step 4: Simplify right side
    432,001.70x = 193,652,257,254.50
  5. Step 5: Solve for x
    x = 193,652,257,254.50/432,001.70
  6. Step 6: Final answer
    x = 448,267.35

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1.5x scale

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.