Home / 826,498.68-1,238,565.33-470,778.36

Finding the Fourth Proportional to 826,498.68, 1,238,565.33 and 470,778.36

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Solution

The fourth proportional to 826,498.68, 1,238,565.33 and 470,778.36 is: 705,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,498.68 : 1,238,565.33 = 470,778.36 : x
  2. Step 2: Convert to fraction form
    826,498.68/1,238,565.33 = 470,778.36/x
  3. Step 3: Cross multiply
    826,498.68x = 1,238,565.33 × 470,778.36
  4. Step 4: Simplify right side
    826,498.68x = 583,089,754,810.26
  5. Step 5: Solve for x
    x = 583,089,754,810.26/826,498.68
  6. Step 6: Final answer
    x = 705,493.87

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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.