Home / 977,428.80-1,466,143.20-658,564.20

Finding the Fourth Proportional to 977,428.80, 1,466,143.20 and 658,564.20

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Solution

The fourth proportional to 977,428.80, 1,466,143.20 and 658,564.20 is: 987,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,428.80 : 1,466,143.20 = 658,564.20 : x
  2. Step 2: Convert to fraction form
    977,428.80/1,466,143.20 = 658,564.20/x
  3. Step 3: Cross multiply
    977,428.80x = 1,466,143.20 × 658,564.20
  4. Step 4: Simplify right side
    977,428.80x = 965,549,423,593.44
  5. Step 5: Solve for x
    x = 965,549,423,593.44/977,428.80
  6. Step 6: Final answer
    x = 987,846.30

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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.