Home / 812,037.22-1,120,725.93-472,614.82

Finding the Fourth Proportional to 812,037.22, 1,120,725.93 and 472,614.82

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Solution

The fourth proportional to 812,037.22, 1,120,725.93 and 472,614.82 is: 652,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,037.22 : 1,120,725.93 = 472,614.82 : x
  2. Step 2: Convert to fraction form
    812,037.22/1,120,725.93 = 472,614.82/x
  3. Step 3: Cross multiply
    812,037.22x = 1,120,725.93 × 472,614.82
  4. Step 4: Simplify right side
    812,037.22x = 529,671,683,676.28
  5. Step 5: Solve for x
    x = 529,671,683,676.28/812,037.22
  6. Step 6: Final answer
    x = 652,275.13

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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.