Home / 805,985.59-1,112,419.12-462,052.48

Finding the Fourth Proportional to 805,985.59, 1,112,419.12 and 462,052.48

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Solution

The fourth proportional to 805,985.59, 1,112,419.12 and 462,052.48 is: 637,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,985.59 : 1,112,419.12 = 462,052.48 : x
  2. Step 2: Convert to fraction form
    805,985.59/1,112,419.12 = 462,052.48/x
  3. Step 3: Cross multiply
    805,985.59x = 1,112,419.12 × 462,052.48
  4. Step 4: Simplify right side
    805,985.59x = 513,996,013,195.42
  5. Step 5: Solve for x
    x = 513,996,013,195.42/805,985.59
  6. Step 6: Final answer
    x = 637,723.58

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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.