Home / 977,283.40-1,465,233.90-445,059.40

Finding the Fourth Proportional to 977,283.40, 1,465,233.90 and 445,059.40

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Solution

The fourth proportional to 977,283.40, 1,465,233.90 and 445,059.40 is: 667,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,283.40 : 1,465,233.90 = 445,059.40 : x
  2. Step 2: Convert to fraction form
    977,283.40/1,465,233.90 = 445,059.40/x
  3. Step 3: Cross multiply
    977,283.40x = 1,465,233.90 × 445,059.40
  4. Step 4: Simplify right side
    977,283.40x = 652,116,120,393.66
  5. Step 5: Solve for x
    x = 652,116,120,393.66/977,283.40
  6. Step 6: Final answer
    x = 667,274.32

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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.