Home / 568,565.51-784,621.89-310,442.81

Finding the Fourth Proportional to 568,565.51, 784,621.89 and 310,442.81

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Solution

The fourth proportional to 568,565.51, 784,621.89 and 310,442.81 is: 428,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,565.51 : 784,621.89 = 310,442.81 : x
  2. Step 2: Convert to fraction form
    568,565.51/784,621.89 = 310,442.81/x
  3. Step 3: Cross multiply
    568,565.51x = 784,621.89 × 310,442.81
  4. Step 4: Simplify right side
    568,565.51x = 243,580,220,396.00
  5. Step 5: Solve for x
    x = 243,580,220,396.00/568,565.51
  6. Step 6: Final answer
    x = 428,411.89

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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.