Home / 755,855.40-1,043,080.28-416,323.65

Finding the Fourth Proportional to 755,855.40, 1,043,080.28 and 416,323.65

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Solution

The fourth proportional to 755,855.40, 1,043,080.28 and 416,323.65 is: 574,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,855.40 : 1,043,080.28 = 416,323.65 : x
  2. Step 2: Convert to fraction form
    755,855.40/1,043,080.28 = 416,323.65/x
  3. Step 3: Cross multiply
    755,855.40x = 1,043,080.28 × 416,323.65
  4. Step 4: Simplify right side
    755,855.40x = 434,258,989,412.62
  5. Step 5: Solve for x
    x = 434,258,989,412.62/755,855.40
  6. Step 6: Final answer
    x = 574,526.54

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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.