Home / 977,619.40-1,466,429.10-641,696.20

Finding the Fourth Proportional to 977,619.40, 1,466,429.10 and 641,696.20

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Solution

The fourth proportional to 977,619.40, 1,466,429.10 and 641,696.20 is: 962,544.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,619.40 : 1,466,429.10 = 641,696.20 : x
  2. Step 2: Convert to fraction form
    977,619.40/1,466,429.10 = 641,696.20/x
  3. Step 3: Cross multiply
    977,619.40x = 1,466,429.10 × 641,696.20
  4. Step 4: Simplify right side
    977,619.40x = 941,001,981,039.42
  5. Step 5: Solve for x
    x = 941,001,981,039.42/977,619.40
  6. Step 6: Final answer
    x = 962,544.30

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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.