Home / 760,406.84-1,049,105.20-438,108.92

Finding the Fourth Proportional to 760,406.84, 1,049,105.20 and 438,108.92

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Solution

The fourth proportional to 760,406.84, 1,049,105.20 and 438,108.92 is: 604,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,406.84 : 1,049,105.20 = 438,108.92 : x
  2. Step 2: Convert to fraction form
    760,406.84/1,049,105.20 = 438,108.92/x
  3. Step 3: Cross multiply
    760,406.84x = 1,049,105.20 × 438,108.92
  4. Step 4: Simplify right side
    760,406.84x = 459,622,346,138.38
  5. Step 5: Solve for x
    x = 459,622,346,138.38/760,406.84
  6. Step 6: Final answer
    x = 604,442.68

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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.