Home / 760,735.89-1,049,848.32-421,204.14

Finding the Fourth Proportional to 760,735.89, 1,049,848.32 and 421,204.14

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Solution

The fourth proportional to 760,735.89, 1,049,848.32 and 421,204.14 is: 581,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,735.89 : 1,049,848.32 = 421,204.14 : x
  2. Step 2: Convert to fraction form
    760,735.89/1,049,848.32 = 421,204.14/x
  3. Step 3: Cross multiply
    760,735.89x = 1,049,848.32 × 421,204.14
  4. Step 4: Simplify right side
    760,735.89x = 442,200,458,756.05
  5. Step 5: Solve for x
    x = 442,200,458,756.05/760,735.89
  6. Step 6: Final answer
    x = 581,279.87

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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.