Home / 977,100.60-1,465,796.70-345,964.80

Finding the Fourth Proportional to 977,100.60, 1,465,796.70 and 345,964.80

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Solution

The fourth proportional to 977,100.60, 1,465,796.70 and 345,964.80 is: 518,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,100.60 : 1,465,796.70 = 345,964.80 : x
  2. Step 2: Convert to fraction form
    977,100.60/1,465,796.70 = 345,964.80/x
  3. Step 3: Cross multiply
    977,100.60x = 1,465,796.70 × 345,964.80
  4. Step 4: Simplify right side
    977,100.60x = 507,114,062,156.16
  5. Step 5: Solve for x
    x = 507,114,062,156.16/977,100.60
  6. Step 6: Final answer
    x = 518,998.82

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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.