Home / 977,911.80-1,465,701.30-504,353.40

Finding the Fourth Proportional to 977,911.80, 1,465,701.30 and 504,353.40

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Solution

The fourth proportional to 977,911.80, 1,465,701.30 and 504,353.40 is: 755,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,911.80 : 1,465,701.30 = 504,353.40 : x
  2. Step 2: Convert to fraction form
    977,911.80/1,465,701.30 = 504,353.40/x
  3. Step 3: Cross multiply
    977,911.80x = 1,465,701.30 × 504,353.40
  4. Step 4: Simplify right side
    977,911.80x = 739,231,434,039.42
  5. Step 5: Solve for x
    x = 739,231,434,039.42/977,911.80
  6. Step 6: Final answer
    x = 755,928.53

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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.