Home / 897,488.43-1,238,512.32-515,539.77

Finding the Fourth Proportional to 897,488.43, 1,238,512.32 and 515,539.77

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Solution

The fourth proportional to 897,488.43, 1,238,512.32 and 515,539.77 is: 711,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,488.43 : 1,238,512.32 = 515,539.77 : x
  2. Step 2: Convert to fraction form
    897,488.43/1,238,512.32 = 515,539.77/x
  3. Step 3: Cross multiply
    897,488.43x = 1,238,512.32 × 515,539.77
  4. Step 4: Simplify right side
    897,488.43x = 638,502,356,594.97
  5. Step 5: Solve for x
    x = 638,502,356,594.97/897,488.43
  6. Step 6: Final answer
    x = 711,432.41

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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.