Home / 769,530.24-1,061,948.48-429,998.49

Finding the Fourth Proportional to 769,530.24, 1,061,948.48 and 429,998.49

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Solution

The fourth proportional to 769,530.24, 1,061,948.48 and 429,998.49 is: 593,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,530.24 : 1,061,948.48 = 429,998.49 : x
  2. Step 2: Convert to fraction form
    769,530.24/1,061,948.48 = 429,998.49/x
  3. Step 3: Cross multiply
    769,530.24x = 1,061,948.48 × 429,998.49
  4. Step 4: Simplify right side
    769,530.24x = 456,636,240,707.80
  5. Step 5: Solve for x
    x = 456,636,240,707.80/769,530.24
  6. Step 6: Final answer
    x = 593,396.10

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1.5x scale

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.