Home / 679,574.91-937,815.78-373,670.52

Finding the Fourth Proportional to 679,574.91, 937,815.78 and 373,670.52

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Solution

The fourth proportional to 679,574.91, 937,815.78 and 373,670.52 is: 515,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,574.91 : 937,815.78 = 373,670.52 : x
  2. Step 2: Convert to fraction form
    679,574.91/937,815.78 = 373,670.52/x
  3. Step 3: Cross multiply
    679,574.91x = 937,815.78 × 373,670.52
  4. Step 4: Simplify right side
    679,574.91x = 350,434,110,176.81
  5. Step 5: Solve for x
    x = 350,434,110,176.81/679,574.91
  6. Step 6: Final answer
    x = 515,666.64

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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.