Home / 830,637.27-1,245,995.48-403,664.40

Finding the Fourth Proportional to 830,637.27, 1,245,995.48 and 403,664.40

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Solution

The fourth proportional to 830,637.27, 1,245,995.48 and 403,664.40 is: 605,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,637.27 : 1,245,995.48 = 403,664.40 : x
  2. Step 2: Convert to fraction form
    830,637.27/1,245,995.48 = 403,664.40/x
  3. Step 3: Cross multiply
    830,637.27x = 1,245,995.48 × 403,664.40
  4. Step 4: Simplify right side
    830,637.27x = 502,964,018,846.07
  5. Step 5: Solve for x
    x = 502,964,018,846.07/830,637.27
  6. Step 6: Final answer
    x = 605,515.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.