Home / 830,747.25-1,146,432.23-448,774.03

Finding the Fourth Proportional to 830,747.25, 1,146,432.23 and 448,774.03

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Solution

The fourth proportional to 830,747.25, 1,146,432.23 and 448,774.03 is: 619,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,747.25 : 1,146,432.23 = 448,774.03 : x
  2. Step 2: Convert to fraction form
    830,747.25/1,146,432.23 = 448,774.03/x
  3. Step 3: Cross multiply
    830,747.25x = 1,146,432.23 × 448,774.03
  4. Step 4: Simplify right side
    830,747.25x = 514,489,016,987.58
  5. Step 5: Solve for x
    x = 514,489,016,987.58/830,747.25
  6. Step 6: Final answer
    x = 619,308.72

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1.5x scale

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.