Home / 761,477.60-1,141,208.40-405,725.60

Finding the Fourth Proportional to 761,477.60, 1,141,208.40 and 405,725.60

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Solution

The fourth proportional to 761,477.60, 1,141,208.40 and 405,725.60 is: 608,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,477.60 : 1,141,208.40 = 405,725.60 : x
  2. Step 2: Convert to fraction form
    761,477.60/1,141,208.40 = 405,725.60/x
  3. Step 3: Cross multiply
    761,477.60x = 1,141,208.40 × 405,725.60
  4. Step 4: Simplify right side
    761,477.60x = 463,017,462,815.04
  5. Step 5: Solve for x
    x = 463,017,462,815.04/761,477.60
  6. Step 6: Final answer
    x = 608,051.32

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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.