Home / 915,634.33-1,263,582.45-507,712.32

Finding the Fourth Proportional to 915,634.33, 1,263,582.45 and 507,712.32

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Solution

The fourth proportional to 915,634.33, 1,263,582.45 and 507,712.32 is: 700,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,634.33 : 1,263,582.45 = 507,712.32 : x
  2. Step 2: Convert to fraction form
    915,634.33/1,263,582.45 = 507,712.32/x
  3. Step 3: Cross multiply
    915,634.33x = 1,263,582.45 × 507,712.32
  4. Step 4: Simplify right side
    915,634.33x = 641,536,377,200.78
  5. Step 5: Solve for x
    x = 641,536,377,200.78/915,634.33
  6. Step 6: Final answer
    x = 700,646.93

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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.