Home / 478,161.24-716,908.95-211,777.35

Finding the Fourth Proportional to 478,161.24, 716,908.95 and 211,777.35

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Solution

The fourth proportional to 478,161.24, 716,908.95 and 211,777.35 is: 317,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,161.24 : 716,908.95 = 211,777.35 : x
  2. Step 2: Convert to fraction form
    478,161.24/716,908.95 = 211,777.35/x
  3. Step 3: Cross multiply
    478,161.24x = 716,908.95 × 211,777.35
  4. Step 4: Simplify right side
    478,161.24x = 151,825,078,966.49
  5. Step 5: Solve for x
    x = 151,825,078,966.49/478,161.24
  6. Step 6: Final answer
    x = 317,518.58

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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.