Home / 760,704.91-1,049,805.58-421,173.16

Finding the Fourth Proportional to 760,704.91, 1,049,805.58 and 421,173.16

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Solution

The fourth proportional to 760,704.91, 1,049,805.58 and 421,173.16 is: 581,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,704.91 : 1,049,805.58 = 421,173.16 : x
  2. Step 2: Convert to fraction form
    760,704.91/1,049,805.58 = 421,173.16/x
  3. Step 3: Cross multiply
    760,704.91x = 1,049,805.58 × 421,173.16
  4. Step 4: Simplify right side
    760,704.91x = 442,149,933,514.23
  5. Step 5: Solve for x
    x = 442,149,933,514.23/760,704.91
  6. Step 6: Final answer
    x = 581,237.12

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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.