Home / 761,477.10-1,141,207.65-405,725.10

Finding the Fourth Proportional to 761,477.10, 1,141,207.65 and 405,725.10

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Solution

The fourth proportional to 761,477.10, 1,141,207.65 and 405,725.10 is: 608,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,477.10 : 1,141,207.65 = 405,725.10 : x
  2. Step 2: Convert to fraction form
    761,477.10/1,141,207.65 = 405,725.10/x
  3. Step 3: Cross multiply
    761,477.10x = 1,141,207.65 × 405,725.10
  4. Step 4: Simplify right side
    761,477.10x = 463,016,587,917.02
  5. Step 5: Solve for x
    x = 463,016,587,917.02/761,477.10
  6. Step 6: Final answer
    x = 608,050.57

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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.