Home / 826,558.32-1,238,654.55-470,837.31

Finding the Fourth Proportional to 826,558.32, 1,238,654.55 and 470,837.31

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Solution

The fourth proportional to 826,558.32, 1,238,654.55 and 470,837.31 is: 705,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,558.32 : 1,238,654.55 = 470,837.31 : x
  2. Step 2: Convert to fraction form
    826,558.32/1,238,654.55 = 470,837.31/x
  3. Step 3: Cross multiply
    826,558.32x = 1,238,654.55 × 470,837.31
  4. Step 4: Simplify right side
    826,558.32x = 583,204,776,341.26
  5. Step 5: Solve for x
    x = 583,204,776,341.26/826,558.32
  6. Step 6: Final answer
    x = 705,582.13

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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.