Home / 838,056.57-1,156,544.31-475,495.71

Finding the Fourth Proportional to 838,056.57, 1,156,544.31 and 475,495.71

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Solution

The fourth proportional to 838,056.57, 1,156,544.31 and 475,495.71 is: 656,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,056.57 : 1,156,544.31 = 475,495.71 : x
  2. Step 2: Convert to fraction form
    838,056.57/1,156,544.31 = 475,495.71/x
  3. Step 3: Cross multiply
    838,056.57x = 1,156,544.31 × 475,495.71
  4. Step 4: Simplify right side
    838,056.57x = 549,931,857,829.91
  5. Step 5: Solve for x
    x = 549,931,857,829.91/838,056.57
  6. Step 6: Final answer
    x = 656,198.97

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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.