Home / 755,031.11-1,041,944.98-415,499.36

Finding the Fourth Proportional to 755,031.11, 1,041,944.98 and 415,499.36

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Solution

The fourth proportional to 755,031.11, 1,041,944.98 and 415,499.36 is: 573,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,031.11 : 1,041,944.98 = 415,499.36 : x
  2. Step 2: Convert to fraction form
    755,031.11/1,041,944.98 = 415,499.36/x
  3. Step 3: Cross multiply
    755,031.11x = 1,041,944.98 × 415,499.36
  4. Step 4: Simplify right side
    755,031.11x = 432,927,472,345.21
  5. Step 5: Solve for x
    x = 432,927,472,345.21/755,031.11
  6. Step 6: Final answer
    x = 573,390.24

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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.