Home / 478,869.39-660,844.65-264,017.15

Finding the Fourth Proportional to 478,869.39, 660,844.65 and 264,017.15

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Solution

The fourth proportional to 478,869.39, 660,844.65 and 264,017.15 is: 364,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,869.39 : 660,844.65 = 264,017.15 : x
  2. Step 2: Convert to fraction form
    478,869.39/660,844.65 = 264,017.15/x
  3. Step 3: Cross multiply
    478,869.39x = 660,844.65 × 264,017.15
  4. Step 4: Simplify right side
    478,869.39x = 174,474,318,648.58
  5. Step 5: Solve for x
    x = 174,474,318,648.58/478,869.39
  6. Step 6: Final answer
    x = 364,346.36

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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.