Home / 515,079.90-772,947.90-301,847.40

Finding the Fourth Proportional to 515,079.90, 772,947.90 and 301,847.40

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Solution

The fourth proportional to 515,079.90, 772,947.90 and 301,847.40 is: 452,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,079.90 : 772,947.90 = 301,847.40 : x
  2. Step 2: Convert to fraction form
    515,079.90/772,947.90 = 301,847.40/x
  3. Step 3: Cross multiply
    515,079.90x = 772,947.90 × 301,847.40
  4. Step 4: Simplify right side
    515,079.90x = 233,312,313,950.46
  5. Step 5: Solve for x
    x = 233,312,313,950.46/515,079.90
  6. Step 6: Final answer
    x = 452,963.34

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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.