Home / 579,384.20-869,076.30-529,617.80

Finding the Fourth Proportional to 579,384.20, 869,076.30 and 529,617.80

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Solution

The fourth proportional to 579,384.20, 869,076.30 and 529,617.80 is: 794,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,384.20 : 869,076.30 = 529,617.80 : x
  2. Step 2: Convert to fraction form
    579,384.20/869,076.30 = 529,617.80/x
  3. Step 3: Cross multiply
    579,384.20x = 869,076.30 × 529,617.80
  4. Step 4: Simplify right side
    579,384.20x = 460,278,278,038.14
  5. Step 5: Solve for x
    x = 460,278,278,038.14/579,384.20
  6. Step 6: Final answer
    x = 794,426.70

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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.