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Finding the Fourth Proportional to 500,688, 748,283.15 and 366,035.54

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Solution

The fourth proportional to 500,688, 748,283.15 and 366,035.54 is: 547,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,688 : 748,283.15 = 366,035.54 : x
  2. Step 2: Convert to fraction form
    500,688/748,283.15 = 366,035.54/x
  3. Step 3: Cross multiply
    500,688x = 748,283.15 × 366,035.54
  4. Step 4: Simplify right side
    500,688x = 273,898,224,056.82
  5. Step 5: Solve for x
    x = 273,898,224,056.82/500,688
  6. Step 6: Final answer
    x = 547,043.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.