Home / 778,047.64-1,166,488.26-329,294.68

Finding the Fourth Proportional to 778,047.64, 1,166,488.26 and 329,294.68

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Solution

The fourth proportional to 778,047.64, 1,166,488.26 and 329,294.68 is: 493,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,047.64 : 1,166,488.26 = 329,294.68 : x
  2. Step 2: Convert to fraction form
    778,047.64/1,166,488.26 = 329,294.68/x
  3. Step 3: Cross multiply
    778,047.64x = 1,166,488.26 × 329,294.68
  4. Step 4: Simplify right side
    778,047.64x = 384,118,378,300.46
  5. Step 5: Solve for x
    x = 384,118,378,300.46/778,047.64
  6. Step 6: Final answer
    x = 493,695.19

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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.