Home / 429,882.52-643,835.09-249,521.25

Finding the Fourth Proportional to 429,882.52, 643,835.09 and 249,521.25

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Solution

The fourth proportional to 429,882.52, 643,835.09 and 249,521.25 is: 373,708.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,882.52 : 643,835.09 = 249,521.25 : x
  2. Step 2: Convert to fraction form
    429,882.52/643,835.09 = 249,521.25/x
  3. Step 3: Cross multiply
    429,882.52x = 643,835.09 × 249,521.25
  4. Step 4: Simplify right side
    429,882.52x = 160,650,536,450.66
  5. Step 5: Solve for x
    x = 160,650,536,450.66/429,882.52
  6. Step 6: Final answer
    x = 373,708.00

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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.