Home / 760,916.47-1,141,486.79-228,480.38

Finding the Fourth Proportional to 760,916.47, 1,141,486.79 and 228,480.38

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Solution

The fourth proportional to 760,916.47, 1,141,486.79 and 228,480.38 is: 342,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,916.47 : 1,141,486.79 = 228,480.38 : x
  2. Step 2: Convert to fraction form
    760,916.47/1,141,486.79 = 228,480.38/x
  3. Step 3: Cross multiply
    760,916.47x = 1,141,486.79 × 228,480.38
  4. Step 4: Simplify right side
    760,916.47x = 260,807,337,255.50
  5. Step 5: Solve for x
    x = 260,807,337,255.50/760,916.47
  6. Step 6: Final answer
    x = 342,754.23

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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.