Home / 977,105.56-1,465,661.64-346,037.80

Finding the Fourth Proportional to 977,105.56, 1,465,661.64 and 346,037.80

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Solution

The fourth proportional to 977,105.56, 1,465,661.64 and 346,037.80 is: 519,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,105.56 : 1,465,661.64 = 346,037.80 : x
  2. Step 2: Convert to fraction form
    977,105.56/1,465,661.64 = 346,037.80/x
  3. Step 3: Cross multiply
    977,105.56x = 1,465,661.64 × 346,037.80
  4. Step 4: Simplify right side
    977,105.56x = 507,174,329,449.99
  5. Step 5: Solve for x
    x = 507,174,329,449.99/977,105.56
  6. Step 6: Final answer
    x = 519,057.87

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1.5x scale

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.