Home / 456,947.52-629,460.84-388,746.04

Finding the Fourth Proportional to 456,947.52, 629,460.84 and 388,746.04

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Solution

The fourth proportional to 456,947.52, 629,460.84 and 388,746.04 is: 535,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,947.52 : 629,460.84 = 388,746.04 : x
  2. Step 2: Convert to fraction form
    456,947.52/629,460.84 = 388,746.04/x
  3. Step 3: Cross multiply
    456,947.52x = 629,460.84 × 388,746.04
  4. Step 4: Simplify right side
    456,947.52x = 244,700,408,885.07
  5. Step 5: Solve for x
    x = 244,700,408,885.07/456,947.52
  6. Step 6: Final answer
    x = 535,510.97

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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.