Home / 399,632.04-598,931.34-299,002.70

Finding the Fourth Proportional to 399,632.04, 598,931.34 and 299,002.70

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Solution

The fourth proportional to 399,632.04, 598,931.34 and 299,002.70 is: 448,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,632.04 : 598,931.34 = 299,002.70 : x
  2. Step 2: Convert to fraction form
    399,632.04/598,931.34 = 299,002.70/x
  3. Step 3: Cross multiply
    399,632.04x = 598,931.34 × 299,002.70
  4. Step 4: Simplify right side
    399,632.04x = 179,082,087,774.62
  5. Step 5: Solve for x
    x = 179,082,087,774.62/399,632.04
  6. Step 6: Final answer
    x = 448,117.44

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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.