Home / 915,565.12-1,263,494.99-507,684.15

Finding the Fourth Proportional to 915,565.12, 1,263,494.99 and 507,684.15

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Solution

The fourth proportional to 915,565.12, 1,263,494.99 and 507,684.15 is: 700,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,565.12 : 1,263,494.99 = 507,684.15 : x
  2. Step 2: Convert to fraction form
    915,565.12/1,263,494.99 = 507,684.15/x
  3. Step 3: Cross multiply
    915,565.12x = 1,263,494.99 × 507,684.15
  4. Step 4: Simplify right side
    915,565.12x = 641,456,377,488.99
  5. Step 5: Solve for x
    x = 641,456,377,488.99/915,565.12
  6. Step 6: Final answer
    x = 700,612.51

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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.