Home / 756,001.89-1,133,432.70-456,411.31

Finding the Fourth Proportional to 756,001.89, 1,133,432.70 and 456,411.31

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Solution

The fourth proportional to 756,001.89, 1,133,432.70 and 456,411.31 is: 684,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,001.89 : 1,133,432.70 = 456,411.31 : x
  2. Step 2: Convert to fraction form
    756,001.89/1,133,432.70 = 456,411.31/x
  3. Step 3: Cross multiply
    756,001.89x = 1,133,432.70 × 456,411.31
  4. Step 4: Simplify right side
    756,001.89x = 517,311,498,858.71
  5. Step 5: Solve for x
    x = 517,311,498,858.71/756,001.89
  6. Step 6: Final answer
    x = 684,272.76

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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.