Home / 939,798.86-1,296,923.63-510,079.10

Finding the Fourth Proportional to 939,798.86, 1,296,923.63 and 510,079.10

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Solution

The fourth proportional to 939,798.86, 1,296,923.63 and 510,079.10 is: 703,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,798.86 : 1,296,923.63 = 510,079.10 : x
  2. Step 2: Convert to fraction form
    939,798.86/1,296,923.63 = 510,079.10/x
  3. Step 3: Cross multiply
    939,798.86x = 1,296,923.63 × 510,079.10
  4. Step 4: Simplify right side
    939,798.86x = 661,533,628,924.12
  5. Step 5: Solve for x
    x = 661,533,628,924.12/939,798.86
  6. Step 6: Final answer
    x = 703,909.81

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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.