Home / 910,798.80-1,365,104.70-378,045.60

Finding the Fourth Proportional to 910,798.80, 1,365,104.70 and 378,045.60

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Solution

The fourth proportional to 910,798.80, 1,365,104.70 and 378,045.60 is: 566,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,798.80 : 1,365,104.70 = 378,045.60 : x
  2. Step 2: Convert to fraction form
    910,798.80/1,365,104.70 = 378,045.60/x
  3. Step 3: Cross multiply
    910,798.80x = 1,365,104.70 × 378,045.60
  4. Step 4: Simplify right side
    910,798.80x = 516,071,825,374.32
  5. Step 5: Solve for x
    x = 516,071,825,374.32/910,798.80
  6. Step 6: Final answer
    x = 566,614.52

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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.