Home / 977,136.60-1,465,964.10-345,984.60

Finding the Fourth Proportional to 977,136.60, 1,465,964.10 and 345,984.60

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Solution

The fourth proportional to 977,136.60, 1,465,964.10 and 345,984.60 is: 519,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,136.60 : 1,465,964.10 = 345,984.60 : x
  2. Step 2: Convert to fraction form
    977,136.60/1,465,964.10 = 345,984.60/x
  3. Step 3: Cross multiply
    977,136.60x = 1,465,964.10 × 345,984.60
  4. Step 4: Simplify right side
    977,136.60x = 507,201,002,752.86
  5. Step 5: Solve for x
    x = 507,201,002,752.86/977,136.60
  6. Step 6: Final answer
    x = 519,068.68

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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.