Home / 691,254-1,037,289.24-291,868.92

Finding the Fourth Proportional to 691,254, 1,037,289.24 and 291,868.92

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Solution

The fourth proportional to 691,254, 1,037,289.24 and 291,868.92 is: 437,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,254 : 1,037,289.24 = 291,868.92 : x
  2. Step 2: Convert to fraction form
    691,254/1,037,289.24 = 291,868.92/x
  3. Step 3: Cross multiply
    691,254x = 1,037,289.24 × 291,868.92
  4. Step 4: Simplify right side
    691,254x = 302,752,490,206.42
  5. Step 5: Solve for x
    x = 302,752,490,206.42/691,254
  6. Step 6: Final answer
    x = 437,975.75

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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.