Home / 707,926.86-1,062,045.72-520,369.74

Finding the Fourth Proportional to 707,926.86, 1,062,045.72 and 520,369.74

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Solution

The fourth proportional to 707,926.86, 1,062,045.72 and 520,369.74 is: 780,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,926.86 : 1,062,045.72 = 520,369.74 : x
  2. Step 2: Convert to fraction form
    707,926.86/1,062,045.72 = 520,369.74/x
  3. Step 3: Cross multiply
    707,926.86x = 1,062,045.72 × 520,369.74
  4. Step 4: Simplify right side
    707,926.86x = 552,656,455,184.51
  5. Step 5: Solve for x
    x = 552,656,455,184.51/707,926.86
  6. Step 6: Final answer
    x = 780,668.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.