Home / 513,037.49-765,799.20-452,436.94

Finding the Fourth Proportional to 513,037.49, 765,799.20 and 452,436.94

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Solution

The fourth proportional to 513,037.49, 765,799.20 and 452,436.94 is: 675,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,037.49 : 765,799.20 = 452,436.94 : x
  2. Step 2: Convert to fraction form
    513,037.49/765,799.20 = 452,436.94/x
  3. Step 3: Cross multiply
    513,037.49x = 765,799.20 × 452,436.94
  4. Step 4: Simplify right side
    513,037.49x = 346,475,846,702.45
  5. Step 5: Solve for x
    x = 346,475,846,702.45/513,037.49
  6. Step 6: Final answer
    x = 675,342.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.