Home / 558,977.52-771,386.96-304,328.64

Finding the Fourth Proportional to 558,977.52, 771,386.96 and 304,328.64

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Solution

The fourth proportional to 558,977.52, 771,386.96 and 304,328.64 is: 419,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,977.52 : 771,386.96 = 304,328.64 : x
  2. Step 2: Convert to fraction form
    558,977.52/771,386.96 = 304,328.64/x
  3. Step 3: Cross multiply
    558,977.52x = 771,386.96 × 304,328.64
  4. Step 4: Simplify right side
    558,977.52x = 234,755,144,450.53
  5. Step 5: Solve for x
    x = 234,755,144,450.53/558,977.52
  6. Step 6: Final answer
    x = 419,972.42

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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.