Home / 749,120.40-1,033,670.16-426,844.08

Finding the Fourth Proportional to 749,120.40, 1,033,670.16 and 426,844.08

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Solution

The fourth proportional to 749,120.40, 1,033,670.16 and 426,844.08 is: 588,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,120.40 : 1,033,670.16 = 426,844.08 : x
  2. Step 2: Convert to fraction form
    749,120.40/1,033,670.16 = 426,844.08/x
  3. Step 3: Cross multiply
    749,120.40x = 1,033,670.16 × 426,844.08
  4. Step 4: Simplify right side
    749,120.40x = 441,215,988,468.65
  5. Step 5: Solve for x
    x = 441,215,988,468.65/749,120.40
  6. Step 6: Final answer
    x = 588,978.74

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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.