Home / 468,832.60-646,988.40-253,973.55

Finding the Fourth Proportional to 468,832.60, 646,988.40 and 253,973.55

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Solution

The fourth proportional to 468,832.60, 646,988.40 and 253,973.55 is: 350,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,832.60 : 646,988.40 = 253,973.55 : x
  2. Step 2: Convert to fraction form
    468,832.60/646,988.40 = 253,973.55/x
  3. Step 3: Cross multiply
    468,832.60x = 646,988.40 × 253,973.55
  4. Step 4: Simplify right side
    468,832.60x = 164,317,940,756.82
  5. Step 5: Solve for x
    x = 164,317,940,756.82/468,832.60
  6. Step 6: Final answer
    x = 350,483.18

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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.