Home / 648,800.23-972,646.14-458,662.45

Finding the Fourth Proportional to 648,800.23, 972,646.14 and 458,662.45

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Solution

The fourth proportional to 648,800.23, 972,646.14 and 458,662.45 is: 687,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,800.23 : 972,646.14 = 458,662.45 : x
  2. Step 2: Convert to fraction form
    648,800.23/972,646.14 = 458,662.45/x
  3. Step 3: Cross multiply
    648,800.23x = 972,646.14 × 458,662.45
  4. Step 4: Simplify right side
    648,800.23x = 446,116,259,123.83
  5. Step 5: Solve for x
    x = 446,116,259,123.83/648,800.23
  6. Step 6: Final answer
    x = 687,601.88

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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.