Home / 977,101.60-1,465,798.20-345,965.80

Finding the Fourth Proportional to 977,101.60, 1,465,798.20 and 345,965.80

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Solution

The fourth proportional to 977,101.60, 1,465,798.20 and 345,965.80 is: 519,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,101.60 : 1,465,798.20 = 345,965.80 : x
  2. Step 2: Convert to fraction form
    977,101.60/1,465,798.20 = 345,965.80/x
  3. Step 3: Cross multiply
    977,101.60x = 1,465,798.20 × 345,965.80
  4. Step 4: Simplify right side
    977,101.60x = 507,116,046,901.56
  5. Step 5: Solve for x
    x = 507,116,046,901.56/977,101.60
  6. Step 6: Final answer
    x = 519,000.32

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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.