Home / 713,763.40-1,070,645.10-292,822.60

Finding the Fourth Proportional to 713,763.40, 1,070,645.10 and 292,822.60

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Solution

The fourth proportional to 713,763.40, 1,070,645.10 and 292,822.60 is: 439,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,763.40 : 1,070,645.10 = 292,822.60 : x
  2. Step 2: Convert to fraction form
    713,763.40/1,070,645.10 = 292,822.60/x
  3. Step 3: Cross multiply
    713,763.40x = 1,070,645.10 × 292,822.60
  4. Step 4: Simplify right side
    713,763.40x = 313,509,081,859.26
  5. Step 5: Solve for x
    x = 313,509,081,859.26/713,763.40
  6. Step 6: Final answer
    x = 439,233.90

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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.