Home / 515,055.40-772,911.15-301,822.90

Finding the Fourth Proportional to 515,055.40, 772,911.15 and 301,822.90

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Solution

The fourth proportional to 515,055.40, 772,911.15 and 301,822.90 is: 452,926.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,055.40 : 772,911.15 = 301,822.90 : x
  2. Step 2: Convert to fraction form
    515,055.40/772,911.15 = 301,822.90/x
  3. Step 3: Cross multiply
    515,055.40x = 772,911.15 × 301,822.90
  4. Step 4: Simplify right side
    515,055.40x = 233,282,284,735.34
  5. Step 5: Solve for x
    x = 233,282,284,735.34/515,055.40
  6. Step 6: Final answer
    x = 452,926.59

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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.