Home / 977,097.60-1,465,792.20-345,961.80

Finding the Fourth Proportional to 977,097.60, 1,465,792.20 and 345,961.80

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Solution

The fourth proportional to 977,097.60, 1,465,792.20 and 345,961.80 is: 518,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,097.60 : 1,465,792.20 = 345,961.80 : x
  2. Step 2: Convert to fraction form
    977,097.60/1,465,792.20 = 345,961.80/x
  3. Step 3: Cross multiply
    977,097.60x = 1,465,792.20 × 345,961.80
  4. Step 4: Simplify right side
    977,097.60x = 507,108,107,937.96
  5. Step 5: Solve for x
    x = 507,108,107,937.96/977,097.60
  6. Step 6: Final answer
    x = 518,994.32

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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.