Home / 760,459.68-1,049,546.88-438,108.48

Finding the Fourth Proportional to 760,459.68, 1,049,546.88 and 438,108.48

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Solution

The fourth proportional to 760,459.68, 1,049,546.88 and 438,108.48 is: 604,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,459.68 : 1,049,546.88 = 438,108.48 : x
  2. Step 2: Convert to fraction form
    760,459.68/1,049,546.88 = 438,108.48/x
  3. Step 3: Cross multiply
    760,459.68x = 1,049,546.88 × 438,108.48
  4. Step 4: Simplify right side
    760,459.68x = 459,815,388,285.54
  5. Step 5: Solve for x
    x = 459,815,388,285.54/760,459.68
  6. Step 6: Final answer
    x = 604,654.53

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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.