Home / 432,012.70-646,885.05-304,966.90

Finding the Fourth Proportional to 432,012.70, 646,885.05 and 304,966.90

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Solution

The fourth proportional to 432,012.70, 646,885.05 and 304,966.90 is: 456,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,012.70 : 646,885.05 = 304,966.90 : x
  2. Step 2: Convert to fraction form
    432,012.70/646,885.05 = 304,966.90/x
  3. Step 3: Cross multiply
    432,012.70x = 646,885.05 × 304,966.90
  4. Step 4: Simplify right side
    432,012.70x = 197,278,528,354.85
  5. Step 5: Solve for x
    x = 197,278,528,354.85/432,012.70
  6. Step 6: Final answer
    x = 456,649.84

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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.