Home / 964,249.92-1,330,676.93-556,436.40

Finding the Fourth Proportional to 964,249.92, 1,330,676.93 and 556,436.40

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Solution

The fourth proportional to 964,249.92, 1,330,676.93 and 556,436.40 is: 767,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,249.92 : 1,330,676.93 = 556,436.40 : x
  2. Step 2: Convert to fraction form
    964,249.92/1,330,676.93 = 556,436.40/x
  3. Step 3: Cross multiply
    964,249.92x = 1,330,676.93 × 556,436.40
  4. Step 4: Simplify right side
    964,249.92x = 740,437,077,710.07
  5. Step 5: Solve for x
    x = 740,437,077,710.07/964,249.92
  6. Step 6: Final answer
    x = 767,889.18

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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.