Home / 841,736.10-1,262,604.15-210,648.90

Finding the Fourth Proportional to 841,736.10, 1,262,604.15 and 210,648.90

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Solution

The fourth proportional to 841,736.10, 1,262,604.15 and 210,648.90 is: 315,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,736.10 : 1,262,604.15 = 210,648.90 : x
  2. Step 2: Convert to fraction form
    841,736.10/1,262,604.15 = 210,648.90/x
  3. Step 3: Cross multiply
    841,736.10x = 1,262,604.15 × 210,648.90
  4. Step 4: Simplify right side
    841,736.10x = 265,966,175,332.94
  5. Step 5: Solve for x
    x = 265,966,175,332.94/841,736.10
  6. Step 6: Final answer
    x = 315,973.35

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Double scale
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Similar ratio
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1.5x scale

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.