Home / 747,299.36-1,031,298-407,786.24

Finding the Fourth Proportional to 747,299.36, 1,031,298 and 407,786.24

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Solution

The fourth proportional to 747,299.36, 1,031,298 and 407,786.24 is: 562,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,299.36 : 1,031,298 = 407,786.24 : x
  2. Step 2: Convert to fraction form
    747,299.36/1,031,298 = 407,786.24/x
  3. Step 3: Cross multiply
    747,299.36x = 1,031,298 × 407,786.24
  4. Step 4: Simplify right side
    747,299.36x = 420,549,133,739.52
  5. Step 5: Solve for x
    x = 420,549,133,739.52/747,299.36
  6. Step 6: Final answer
    x = 562,758.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.