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Finding the Fourth Proportional to 554,386.32, 765,054.22 and 299,737.51

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Solution

The fourth proportional to 554,386.32, 765,054.22 and 299,737.51 is: 413,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,386.32 : 765,054.22 = 299,737.51 : x
  2. Step 2: Convert to fraction form
    554,386.32/765,054.22 = 299,737.51/x
  3. Step 3: Cross multiply
    554,386.32x = 765,054.22 × 299,737.51
  4. Step 4: Simplify right side
    554,386.32x = 229,315,443,092.52
  5. Step 5: Solve for x
    x = 229,315,443,092.52/554,386.32
  6. Step 6: Final answer
    x = 413,638.35

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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.