Home / 908,044.16-1,362,066.23-428,160.26

Finding the Fourth Proportional to 908,044.16, 1,362,066.23 and 428,160.26

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Solution

The fourth proportional to 908,044.16, 1,362,066.23 and 428,160.26 is: 642,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,044.16 : 1,362,066.23 = 428,160.26 : x
  2. Step 2: Convert to fraction form
    908,044.16/1,362,066.23 = 428,160.26/x
  3. Step 3: Cross multiply
    908,044.16x = 1,362,066.23 × 428,160.26
  4. Step 4: Simplify right side
    908,044.16x = 583,182,635,649.59
  5. Step 5: Solve for x
    x = 583,182,635,649.59/908,044.16
  6. Step 6: Final answer
    x = 642,240.39

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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.