Home / 753,410.04-1,039,978.68-498,843.24

Finding the Fourth Proportional to 753,410.04, 1,039,978.68 and 498,843.24

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Solution

The fourth proportional to 753,410.04, 1,039,978.68 and 498,843.24 is: 688,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,410.04 : 1,039,978.68 = 498,843.24 : x
  2. Step 2: Convert to fraction form
    753,410.04/1,039,978.68 = 498,843.24/x
  3. Step 3: Cross multiply
    753,410.04x = 1,039,978.68 × 498,843.24
  4. Step 4: Simplify right side
    753,410.04x = 518,786,334,262.12
  5. Step 5: Solve for x
    x = 518,786,334,262.12/753,410.04
  6. Step 6: Final answer
    x = 688,584.31

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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.