Home / 510,905.80-766,704.30-286,265.80

Finding the Fourth Proportional to 510,905.80, 766,704.30 and 286,265.80

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Solution

The fourth proportional to 510,905.80, 766,704.30 and 286,265.80 is: 429,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,905.80 : 766,704.30 = 286,265.80 : x
  2. Step 2: Convert to fraction form
    510,905.80/766,704.30 = 286,265.80/x
  3. Step 3: Cross multiply
    510,905.80x = 766,704.30 × 286,265.80
  4. Step 4: Simplify right side
    510,905.80x = 219,481,219,802.94
  5. Step 5: Solve for x
    x = 219,481,219,802.94/510,905.80
  6. Step 6: Final answer
    x = 429,592.34

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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.