Home / 510,622.40-766,279.20-229,995.20

Finding the Fourth Proportional to 510,622.40, 766,279.20 and 229,995.20

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Solution

The fourth proportional to 510,622.40, 766,279.20 and 229,995.20 is: 345,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,622.40 : 766,279.20 = 229,995.20 : x
  2. Step 2: Convert to fraction form
    510,622.40/766,279.20 = 229,995.20/x
  3. Step 3: Cross multiply
    510,622.40x = 766,279.20 × 229,995.20
  4. Step 4: Simplify right side
    510,622.40x = 176,240,537,859.84
  5. Step 5: Solve for x
    x = 176,240,537,859.84/510,622.40
  6. Step 6: Final answer
    x = 345,148.47

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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.