Home / 729,881.08-1,007,015.76-423,898.48

Finding the Fourth Proportional to 729,881.08, 1,007,015.76 and 423,898.48

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Solution

The fourth proportional to 729,881.08, 1,007,015.76 and 423,898.48 is: 584,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,881.08 : 1,007,015.76 = 423,898.48 : x
  2. Step 2: Convert to fraction form
    729,881.08/1,007,015.76 = 423,898.48/x
  3. Step 3: Cross multiply
    729,881.08x = 1,007,015.76 × 423,898.48
  4. Step 4: Simplify right side
    729,881.08x = 426,872,450,000.05
  5. Step 5: Solve for x
    x = 426,872,450,000.05/729,881.08
  6. Step 6: Final answer
    x = 584,852.06

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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.