Home / 760,844.44-1,049,998.53-421,312.69

Finding the Fourth Proportional to 760,844.44, 1,049,998.53 and 421,312.69

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Solution

The fourth proportional to 760,844.44, 1,049,998.53 and 421,312.69 is: 581,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,844.44 : 1,049,998.53 = 421,312.69 : x
  2. Step 2: Convert to fraction form
    760,844.44/1,049,998.53 = 421,312.69/x
  3. Step 3: Cross multiply
    760,844.44x = 1,049,998.53 × 421,312.69
  4. Step 4: Simplify right side
    760,844.44x = 442,377,705,170.35
  5. Step 5: Solve for x
    x = 442,377,705,170.35/760,844.44
  6. Step 6: Final answer
    x = 581,429.90

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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.