Home / 915,602.24-1,373,343.20-316,424

Finding the Fourth Proportional to 915,602.24, 1,373,343.20 and 316,424

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Solution

The fourth proportional to 915,602.24, 1,373,343.20 and 316,424 is: 474,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,602.24 : 1,373,343.20 = 316,424 : x
  2. Step 2: Convert to fraction form
    915,602.24/1,373,343.20 = 316,424/x
  3. Step 3: Cross multiply
    915,602.24x = 1,373,343.20 × 316,424
  4. Step 4: Simplify right side
    915,602.24x = 434,558,748,716.80
  5. Step 5: Solve for x
    x = 434,558,748,716.80/915,602.24
  6. Step 6: Final answer
    x = 474,615.21

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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.