Home / 896,679.04-1,237,400.92-488,784.36

Finding the Fourth Proportional to 896,679.04, 1,237,400.92 and 488,784.36

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Solution

The fourth proportional to 896,679.04, 1,237,400.92 and 488,784.36 is: 674,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,679.04 : 1,237,400.92 = 488,784.36 : x
  2. Step 2: Convert to fraction form
    896,679.04/1,237,400.92 = 488,784.36/x
  3. Step 3: Cross multiply
    896,679.04x = 1,237,400.92 × 488,784.36
  4. Step 4: Simplify right side
    896,679.04x = 604,822,216,745.61
  5. Step 5: Solve for x
    x = 604,822,216,745.61/896,679.04
  6. Step 6: Final answer
    x = 674,513.61

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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.