Home / 612,439.04-845,187.53-340,584.01

Finding the Fourth Proportional to 612,439.04, 845,187.53 and 340,584.01

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Solution

The fourth proportional to 612,439.04, 845,187.53 and 340,584.01 is: 470,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,439.04 : 845,187.53 = 340,584.01 : x
  2. Step 2: Convert to fraction form
    612,439.04/845,187.53 = 340,584.01/x
  3. Step 3: Cross multiply
    612,439.04x = 845,187.53 × 340,584.01
  4. Step 4: Simplify right side
    612,439.04x = 287,857,354,353.51
  5. Step 5: Solve for x
    x = 287,857,354,353.51/612,439.04
  6. Step 6: Final answer
    x = 470,017.97

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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.