Home / 890,717.30-1,336,075.95-225,869.30

Finding the Fourth Proportional to 890,717.30, 1,336,075.95 and 225,869.30

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Solution

The fourth proportional to 890,717.30, 1,336,075.95 and 225,869.30 is: 338,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,717.30 : 1,336,075.95 = 225,869.30 : x
  2. Step 2: Convert to fraction form
    890,717.30/1,336,075.95 = 225,869.30/x
  3. Step 3: Cross multiply
    890,717.30x = 1,336,075.95 × 225,869.30
  4. Step 4: Simplify right side
    890,717.30x = 301,778,539,573.34
  5. Step 5: Solve for x
    x = 301,778,539,573.34/890,717.30
  6. Step 6: Final answer
    x = 338,803.95

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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.