Home / 939,782.61-1,296,867.06-510,054.12

Finding the Fourth Proportional to 939,782.61, 1,296,867.06 and 510,054.12

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Solution

The fourth proportional to 939,782.61, 1,296,867.06 and 510,054.12 is: 703,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,782.61 : 1,296,867.06 = 510,054.12 : x
  2. Step 2: Convert to fraction form
    939,782.61/1,296,867.06 = 510,054.12/x
  3. Step 3: Cross multiply
    939,782.61x = 1,296,867.06 × 510,054.12
  4. Step 4: Simplify right side
    939,782.61x = 661,472,387,045.29
  5. Step 5: Solve for x
    x = 661,472,387,045.29/939,782.61
  6. Step 6: Final answer
    x = 703,856.81

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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.