Home / 915,817.77-1,373,935.91-316,778.42

Finding the Fourth Proportional to 915,817.77, 1,373,935.91 and 316,778.42

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Solution

The fourth proportional to 915,817.77, 1,373,935.91 and 316,778.42 is: 475,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,817.77 : 1,373,935.91 = 316,778.42 : x
  2. Step 2: Convert to fraction form
    915,817.77/1,373,935.91 = 316,778.42/x
  3. Step 3: Cross multiply
    915,817.77x = 1,373,935.91 × 316,778.42
  4. Step 4: Simplify right side
    915,817.77x = 435,233,248,602.01
  5. Step 5: Solve for x
    x = 435,233,248,602.01/915,817.77
  6. Step 6: Final answer
    x = 475,240.01

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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.