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Finding the Fourth Proportional to 834,953.92, 1,152,236.80 and 452,980.64

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Solution

The fourth proportional to 834,953.92, 1,152,236.80 and 452,980.64 is: 625,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,953.92 : 1,152,236.80 = 452,980.64 : x
  2. Step 2: Convert to fraction form
    834,953.92/1,152,236.80 = 452,980.64/x
  3. Step 3: Cross multiply
    834,953.92x = 1,152,236.80 × 452,980.64
  4. Step 4: Simplify right side
    834,953.92x = 521,940,963,095.55
  5. Step 5: Solve for x
    x = 521,940,963,095.55/834,953.92
  6. Step 6: Final answer
    x = 625,113.50

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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.