Home / 918,092.10-1,266,962.25-504,638.40

Finding the Fourth Proportional to 918,092.10, 1,266,962.25 and 504,638.40

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Solution

The fourth proportional to 918,092.10, 1,266,962.25 and 504,638.40 is: 696,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,092.10 : 1,266,962.25 = 504,638.40 : x
  2. Step 2: Convert to fraction form
    918,092.10/1,266,962.25 = 504,638.40/x
  3. Step 3: Cross multiply
    918,092.10x = 1,266,962.25 × 504,638.40
  4. Step 4: Simplify right side
    918,092.10x = 639,357,802,700.40
  5. Step 5: Solve for x
    x = 639,357,802,700.40/918,092.10
  6. Step 6: Final answer
    x = 696,398.33

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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.