Home / 579,035.30-869,330.55-369,601.70

Finding the Fourth Proportional to 579,035.30, 869,330.55 and 369,601.70

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Solution

The fourth proportional to 579,035.30, 869,330.55 and 369,601.70 is: 554,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,035.30 : 869,330.55 = 369,601.70 : x
  2. Step 2: Convert to fraction form
    579,035.30/869,330.55 = 369,601.70/x
  3. Step 3: Cross multiply
    579,035.30x = 869,330.55 × 369,601.70
  4. Step 4: Simplify right side
    579,035.30x = 321,306,049,141.94
  5. Step 5: Solve for x
    x = 321,306,049,141.94/579,035.30
  6. Step 6: Final answer
    x = 554,898.90

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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.