Home / 948,864.85-1,309,466.18-519,144.93

Finding the Fourth Proportional to 948,864.85, 1,309,466.18 and 519,144.93

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Solution

The fourth proportional to 948,864.85, 1,309,466.18 and 519,144.93 is: 716,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,864.85 : 1,309,466.18 = 519,144.93 : x
  2. Step 2: Convert to fraction form
    948,864.85/1,309,466.18 = 519,144.93/x
  3. Step 3: Cross multiply
    948,864.85x = 1,309,466.18 × 519,144.93
  4. Step 4: Simplify right side
    948,864.85x = 679,802,729,651.33
  5. Step 5: Solve for x
    x = 679,802,729,651.33/948,864.85
  6. Step 6: Final answer
    x = 716,437.89

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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.