Home / 501,044.10-751,566.15-438,836.10

Finding the Fourth Proportional to 501,044.10, 751,566.15 and 438,836.10

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Solution

The fourth proportional to 501,044.10, 751,566.15 and 438,836.10 is: 658,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,044.10 : 751,566.15 = 438,836.10 : x
  2. Step 2: Convert to fraction form
    501,044.10/751,566.15 = 438,836.10/x
  3. Step 3: Cross multiply
    501,044.10x = 751,566.15 × 438,836.10
  4. Step 4: Simplify right side
    501,044.10x = 329,814,358,158.02
  5. Step 5: Solve for x
    x = 329,814,358,158.02/501,044.10
  6. Step 6: Final answer
    x = 658,254.15

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Half scale
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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.