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Finding the Fourth Proportional to 788,552, 1,088,201.76 and 430,856

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Solution

The fourth proportional to 788,552, 1,088,201.76 and 430,856 is: 594,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,552 : 1,088,201.76 = 430,856 : x
  2. Step 2: Convert to fraction form
    788,552/1,088,201.76 = 430,856/x
  3. Step 3: Cross multiply
    788,552x = 1,088,201.76 × 430,856
  4. Step 4: Simplify right side
    788,552x = 468,858,257,506.56
  5. Step 5: Solve for x
    x = 468,858,257,506.56/788,552
  6. Step 6: Final answer
    x = 594,581.28

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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.