Home / 977,803.74-1,467,123.87-409,317.69

Finding the Fourth Proportional to 977,803.74, 1,467,123.87 and 409,317.69

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Solution

The fourth proportional to 977,803.74, 1,467,123.87 and 409,317.69 is: 614,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,803.74 : 1,467,123.87 = 409,317.69 : x
  2. Step 2: Convert to fraction form
    977,803.74/1,467,123.87 = 409,317.69/x
  3. Step 3: Cross multiply
    977,803.74x = 1,467,123.87 × 409,317.69
  4. Step 4: Simplify right side
    977,803.74x = 600,519,753,412.26
  5. Step 5: Solve for x
    x = 600,519,753,412.26/977,803.74
  6. Step 6: Final answer
    x = 614,151.62

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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.