Home / 910,326.40-1,365,489.60-626,891.20

Finding the Fourth Proportional to 910,326.40, 1,365,489.60 and 626,891.20

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Solution

The fourth proportional to 910,326.40, 1,365,489.60 and 626,891.20 is: 940,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,326.40 : 1,365,489.60 = 626,891.20 : x
  2. Step 2: Convert to fraction form
    910,326.40/1,365,489.60 = 626,891.20/x
  3. Step 3: Cross multiply
    910,326.40x = 1,365,489.60 × 626,891.20
  4. Step 4: Simplify right side
    910,326.40x = 856,013,413,931.52
  5. Step 5: Solve for x
    x = 856,013,413,931.52/910,326.40
  6. Step 6: Final answer
    x = 940,336.80

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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.