Home / 740,259-1,021,557.96-400,727.52

Finding the Fourth Proportional to 740,259, 1,021,557.96 and 400,727.52

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Solution

The fourth proportional to 740,259, 1,021,557.96 and 400,727.52 is: 553,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,259 : 1,021,557.96 = 400,727.52 : x
  2. Step 2: Convert to fraction form
    740,259/1,021,557.96 = 400,727.52/x
  3. Step 3: Cross multiply
    740,259x = 1,021,557.96 × 400,727.52
  4. Step 4: Simplify right side
    740,259x = 409,366,387,847.06
  5. Step 5: Solve for x
    x = 409,366,387,847.06/740,259
  6. Step 6: Final answer
    x = 553,004.27

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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.