Home / 896,421.90-1,237,026.15-488,515.04

Finding the Fourth Proportional to 896,421.90, 1,237,026.15 and 488,515.04

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Solution

The fourth proportional to 896,421.90, 1,237,026.15 and 488,515.04 is: 674,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,421.90 : 1,237,026.15 = 488,515.04 : x
  2. Step 2: Convert to fraction form
    896,421.90/1,237,026.15 = 488,515.04/x
  3. Step 3: Cross multiply
    896,421.90x = 1,237,026.15 × 488,515.04
  4. Step 4: Simplify right side
    896,421.90x = 604,305,879,433.95
  5. Step 5: Solve for x
    x = 604,305,879,433.95/896,421.90
  6. Step 6: Final answer
    x = 674,131.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.