Home / 778,302.46-1,167,903.78-328,994.11

Finding the Fourth Proportional to 778,302.46, 1,167,903.78 and 328,994.11

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Solution

The fourth proportional to 778,302.46, 1,167,903.78 and 328,994.11 is: 493,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,302.46 : 1,167,903.78 = 328,994.11 : x
  2. Step 2: Convert to fraction form
    778,302.46/1,167,903.78 = 328,994.11/x
  3. Step 3: Cross multiply
    778,302.46x = 1,167,903.78 × 328,994.11
  4. Step 4: Simplify right side
    778,302.46x = 384,233,464,666.74
  5. Step 5: Solve for x
    x = 384,233,464,666.74/778,302.46
  6. Step 6: Final answer
    x = 493,681.42

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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.