Home / 977,324.40-1,464,917.40-345,913.20

Finding the Fourth Proportional to 977,324.40, 1,464,917.40 and 345,913.20

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Solution

The fourth proportional to 977,324.40, 1,464,917.40 and 345,913.20 is: 518,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,324.40 : 1,464,917.40 = 345,913.20 : x
  2. Step 2: Convert to fraction form
    977,324.40/1,464,917.40 = 345,913.20/x
  3. Step 3: Cross multiply
    977,324.40x = 1,464,917.40 × 345,913.20
  4. Step 4: Simplify right side
    977,324.40x = 506,734,265,569.68
  5. Step 5: Solve for x
    x = 506,734,265,569.68/977,324.40
  6. Step 6: Final answer
    x = 518,491.37

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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.