Home / 759,722.27-1,047,390.76-487,317.29

Finding the Fourth Proportional to 759,722.27, 1,047,390.76 and 487,317.29

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Solution

The fourth proportional to 759,722.27, 1,047,390.76 and 487,317.29 is: 671,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,722.27 : 1,047,390.76 = 487,317.29 : x
  2. Step 2: Convert to fraction form
    759,722.27/1,047,390.76 = 487,317.29/x
  3. Step 3: Cross multiply
    759,722.27x = 1,047,390.76 × 487,317.29
  4. Step 4: Simplify right side
    759,722.27x = 510,411,622,106.43
  5. Step 5: Solve for x
    x = 510,411,622,106.43/759,722.27
  6. Step 6: Final answer
    x = 671,839.76

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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.