Home / 977,043.60-1,465,711.20-345,907.80

Finding the Fourth Proportional to 977,043.60, 1,465,711.20 and 345,907.80

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Solution

The fourth proportional to 977,043.60, 1,465,711.20 and 345,907.80 is: 518,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,043.60 : 1,465,711.20 = 345,907.80 : x
  2. Step 2: Convert to fraction form
    977,043.60/1,465,711.20 = 345,907.80/x
  3. Step 3: Cross multiply
    977,043.60x = 1,465,711.20 × 345,907.80
  4. Step 4: Simplify right side
    977,043.60x = 507,000,936,627.36
  5. Step 5: Solve for x
    x = 507,000,936,627.36/977,043.60
  6. Step 6: Final answer
    x = 518,913.32

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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.