Home / 896,385.55-1,237,012.07-488,487.23

Finding the Fourth Proportional to 896,385.55, 1,237,012.07 and 488,487.23

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Solution

The fourth proportional to 896,385.55, 1,237,012.07 and 488,487.23 is: 674,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,385.55 : 1,237,012.07 = 488,487.23 : x
  2. Step 2: Convert to fraction form
    896,385.55/1,237,012.07 = 488,487.23/x
  3. Step 3: Cross multiply
    896,385.55x = 1,237,012.07 × 488,487.23
  4. Step 4: Simplify right side
    896,385.55x = 604,264,599,550.87
  5. Step 5: Solve for x
    x = 604,264,599,550.87/896,385.55
  6. Step 6: Final answer
    x = 674,112.38

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Double scale
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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.