Home / 751,943.52-1,037,690.08-407,780.08

Finding the Fourth Proportional to 751,943.52, 1,037,690.08 and 407,780.08

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Solution

The fourth proportional to 751,943.52, 1,037,690.08 and 407,780.08 is: 562,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,943.52 : 1,037,690.08 = 407,780.08 : x
  2. Step 2: Convert to fraction form
    751,943.52/1,037,690.08 = 407,780.08/x
  3. Step 3: Cross multiply
    751,943.52x = 1,037,690.08 × 407,780.08
  4. Step 4: Simplify right side
    751,943.52x = 423,149,343,837.61
  5. Step 5: Solve for x
    x = 423,149,343,837.61/751,943.52
  6. Step 6: Final answer
    x = 562,740.86

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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.