Home / 429,972.44-592,006.73-390,114.36

Finding the Fourth Proportional to 429,972.44, 592,006.73 and 390,114.36

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Solution

The fourth proportional to 429,972.44, 592,006.73 and 390,114.36 is: 537,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,972.44 : 592,006.73 = 390,114.36 : x
  2. Step 2: Convert to fraction form
    429,972.44/592,006.73 = 390,114.36/x
  3. Step 3: Cross multiply
    429,972.44x = 592,006.73 × 390,114.36
  4. Step 4: Simplify right side
    429,972.44x = 230,950,324,639.07
  5. Step 5: Solve for x
    x = 230,950,324,639.07/429,972.44
  6. Step 6: Final answer
    x = 537,128.21

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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.