Home / 545,479.55-817,939.11-292,972.49

Finding the Fourth Proportional to 545,479.55, 817,939.11 and 292,972.49

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Solution

The fourth proportional to 545,479.55, 817,939.11 and 292,972.49 is: 439,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,479.55 : 817,939.11 = 292,972.49 : x
  2. Step 2: Convert to fraction form
    545,479.55/817,939.11 = 292,972.49/x
  3. Step 3: Cross multiply
    545,479.55x = 817,939.11 × 292,972.49
  4. Step 4: Simplify right side
    545,479.55x = 239,633,657,725.08
  5. Step 5: Solve for x
    x = 239,633,657,725.08/545,479.55
  6. Step 6: Final answer
    x = 439,308.23

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1.5x scale

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.