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Finding the Fourth Proportional to 792,752.76, 1,093,687.38 and 453,038.76

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Solution

The fourth proportional to 792,752.76, 1,093,687.38 and 453,038.76 is: 625,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,752.76 : 1,093,687.38 = 453,038.76 : x
  2. Step 2: Convert to fraction form
    792,752.76/1,093,687.38 = 453,038.76/x
  3. Step 3: Cross multiply
    792,752.76x = 1,093,687.38 × 453,038.76
  4. Step 4: Simplify right side
    792,752.76x = 495,482,774,462.85
  5. Step 5: Solve for x
    x = 495,482,774,462.85/792,752.76
  6. Step 6: Final answer
    x = 625,015.51

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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.