Home / 947,838.08-1,421,757.10-316,751.88

Finding the Fourth Proportional to 947,838.08, 1,421,757.10 and 316,751.88

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Solution

The fourth proportional to 947,838.08, 1,421,757.10 and 316,751.88 is: 475,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,838.08 : 1,421,757.10 = 316,751.88 : x
  2. Step 2: Convert to fraction form
    947,838.08/1,421,757.10 = 316,751.88/x
  3. Step 3: Cross multiply
    947,838.08x = 1,421,757.10 × 316,751.88
  4. Step 4: Simplify right side
    947,838.08x = 450,344,234,328.35
  5. Step 5: Solve for x
    x = 450,344,234,328.35/947,838.08
  6. Step 6: Final answer
    x = 475,127.81

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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.