Home / 977,369.40-1,465,362.90-445,145.40

Finding the Fourth Proportional to 977,369.40, 1,465,362.90 and 445,145.40

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Solution

The fourth proportional to 977,369.40, 1,465,362.90 and 445,145.40 is: 667,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,369.40 : 1,465,362.90 = 445,145.40 : x
  2. Step 2: Convert to fraction form
    977,369.40/1,465,362.90 = 445,145.40/x
  3. Step 3: Cross multiply
    977,369.40x = 1,465,362.90 × 445,145.40
  4. Step 4: Simplify right side
    977,369.40x = 652,299,554,265.66
  5. Step 5: Solve for x
    x = 652,299,554,265.66/977,369.40
  6. Step 6: Final answer
    x = 667,403.29

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1.5x scale

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.