Home / 648,330.66-894,688.26-357,944.58

Finding the Fourth Proportional to 648,330.66, 894,688.26 and 357,944.58

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Solution

The fourth proportional to 648,330.66, 894,688.26 and 357,944.58 is: 493,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,330.66 : 894,688.26 = 357,944.58 : x
  2. Step 2: Convert to fraction form
    648,330.66/894,688.26 = 357,944.58/x
  3. Step 3: Cross multiply
    648,330.66x = 894,688.26 × 357,944.58
  4. Step 4: Simplify right side
    648,330.66x = 320,248,813,456.63
  5. Step 5: Solve for x
    x = 320,248,813,456.63/648,330.66
  6. Step 6: Final answer
    x = 493,959.08

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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.