Home / 830,869.40-1,246,304.03-262,649.58

Finding the Fourth Proportional to 830,869.40, 1,246,304.03 and 262,649.58

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Solution

The fourth proportional to 830,869.40, 1,246,304.03 and 262,649.58 is: 393,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,869.40 : 1,246,304.03 = 262,649.58 : x
  2. Step 2: Convert to fraction form
    830,869.40/1,246,304.03 = 262,649.58/x
  3. Step 3: Cross multiply
    830,869.40x = 1,246,304.03 × 262,649.58
  4. Step 4: Simplify right side
    830,869.40x = 327,341,228,718.56
  5. Step 5: Solve for x
    x = 327,341,228,718.56/830,869.40
  6. Step 6: Final answer
    x = 393,974.35

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Double scale
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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.