Home / 652,033.20-977,466.60-427,501.20

Finding the Fourth Proportional to 652,033.20, 977,466.60 and 427,501.20

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Solution

The fourth proportional to 652,033.20, 977,466.60 and 427,501.20 is: 640,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,033.20 : 977,466.60 = 427,501.20 : x
  2. Step 2: Convert to fraction form
    652,033.20/977,466.60 = 427,501.20/x
  3. Step 3: Cross multiply
    652,033.20x = 977,466.60 × 427,501.20
  4. Step 4: Simplify right side
    652,033.20x = 417,868,144,459.92
  5. Step 5: Solve for x
    x = 417,868,144,459.92/652,033.20
  6. Step 6: Final answer
    x = 640,869.43

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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.