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Finding the Fourth Proportional to 562,817.52, 776,693.13 and 333,387.87

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Solution

The fourth proportional to 562,817.52, 776,693.13 and 333,387.87 is: 460,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,817.52 : 776,693.13 = 333,387.87 : x
  2. Step 2: Convert to fraction form
    562,817.52/776,693.13 = 333,387.87/x
  3. Step 3: Cross multiply
    562,817.52x = 776,693.13 × 333,387.87
  4. Step 4: Simplify right side
    562,817.52x = 258,940,068,254.33
  5. Step 5: Solve for x
    x = 258,940,068,254.33/562,817.52
  6. Step 6: Final answer
    x = 460,078.19

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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.