Home / 948,988.35-1,309,603.92-519,268.48

Finding the Fourth Proportional to 948,988.35, 1,309,603.92 and 519,268.48

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Solution

The fourth proportional to 948,988.35, 1,309,603.92 and 519,268.48 is: 716,590.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,988.35 : 1,309,603.92 = 519,268.48 : x
  2. Step 2: Convert to fraction form
    948,988.35/1,309,603.92 = 519,268.48/x
  3. Step 3: Cross multiply
    948,988.35x = 1,309,603.92 × 519,268.48
  4. Step 4: Simplify right side
    948,988.35x = 680,036,033,666.43
  5. Step 5: Solve for x
    x = 680,036,033,666.43/948,988.35
  6. Step 6: Final answer
    x = 716,590.50

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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.