Home / 760,835.08-1,049,939.58-421,296.04

Finding the Fourth Proportional to 760,835.08, 1,049,939.58 and 421,296.04

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Solution

The fourth proportional to 760,835.08, 1,049,939.58 and 421,296.04 is: 581,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,835.08 : 1,049,939.58 = 421,296.04 : x
  2. Step 2: Convert to fraction form
    760,835.08/1,049,939.58 = 421,296.04/x
  3. Step 3: Cross multiply
    760,835.08x = 1,049,939.58 × 421,296.04
  4. Step 4: Simplify right side
    760,835.08x = 442,335,387,293.26
  5. Step 5: Solve for x
    x = 442,335,387,293.26/760,835.08
  6. Step 6: Final answer
    x = 581,381.43

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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.