Home / 668,037.64-1,001,005.98-516,604.36

Finding the Fourth Proportional to 668,037.64, 1,001,005.98 and 516,604.36

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Solution

The fourth proportional to 668,037.64, 1,001,005.98 and 516,604.36 is: 774,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,037.64 : 1,001,005.98 = 516,604.36 : x
  2. Step 2: Convert to fraction form
    668,037.64/1,001,005.98 = 516,604.36/x
  3. Step 3: Cross multiply
    668,037.64x = 1,001,005.98 × 516,604.36
  4. Step 4: Simplify right side
    668,037.64x = 517,124,053,654.07
  5. Step 5: Solve for x
    x = 517,124,053,654.07/668,037.64
  6. Step 6: Final answer
    x = 774,094.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.