Home / 691,038.48-1,036,113.96-291,570

Finding the Fourth Proportional to 691,038.48, 1,036,113.96 and 291,570

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Solution

The fourth proportional to 691,038.48, 1,036,113.96 and 291,570 is: 437,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,038.48 : 1,036,113.96 = 291,570 : x
  2. Step 2: Convert to fraction form
    691,038.48/1,036,113.96 = 291,570/x
  3. Step 3: Cross multiply
    691,038.48x = 1,036,113.96 × 291,570
  4. Step 4: Simplify right side
    691,038.48x = 302,099,747,317.20
  5. Step 5: Solve for x
    x = 302,099,747,317.20/691,038.48
  6. Step 6: Final answer
    x = 437,167.76

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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.