Home / 824,987.10-1,238,464.80-465,444.30

Finding the Fourth Proportional to 824,987.10, 1,238,464.80 and 465,444.30

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Solution

The fourth proportional to 824,987.10, 1,238,464.80 and 465,444.30 is: 698,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,987.10 : 1,238,464.80 = 465,444.30 : x
  2. Step 2: Convert to fraction form
    824,987.10/1,238,464.80 = 465,444.30/x
  3. Step 3: Cross multiply
    824,987.10x = 1,238,464.80 × 465,444.30
  4. Step 4: Simplify right side
    824,987.10x = 576,436,381,910.64
  5. Step 5: Solve for x
    x = 576,436,381,910.64/824,987.10
  6. Step 6: Final answer
    x = 698,721.69

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1.5x scale

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.